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asterisk/main/minimime/mimeparser.yy.c

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#line 2 "mimeparser.yy.c"
#line 4 "mimeparser.yy.c"
#define YY_INT_ALIGNED short int
/* A lexical scanner generated by flex */
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#define YY_FLEX_SUBMINOR_VERSION 33
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
/* First, we deal with platform-specific or compiler-specific issues. */
/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
/* end standard C headers. */
/* flex integer type definitions */
#ifndef FLEXINT_H
#define FLEXINT_H
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
#if __STDC_VERSION__ >= 199901L
/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
* if you want the limit (max/min) macros for int types.
*/
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t;
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
#endif /* ! C99 */
/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN (-32767-1)
#endif
#ifndef INT32_MIN
#define INT32_MIN (-2147483647-1)
#endif
#ifndef INT8_MAX
#define INT8_MAX (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX (4294967295U)
#endif
#endif /* ! FLEXINT_H */
#ifdef __cplusplus
/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST
#else /* ! __cplusplus */
#if __STDC__
#define YY_USE_CONST
#endif /* __STDC__ */
#endif /* ! __cplusplus */
#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif
/* Returned upon end-of-file. */
#define YY_NULL 0
/* Promotes a possibly negative, possibly signed char to an unsigned
* integer for use as an array index. If the signed char is negative,
* we want to instead treat it as an 8-bit unsigned char, hence the
* double cast.
*/
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
/* An opaque pointer. */
#ifndef YY_TYPEDEF_YY_SCANNER_T
#define YY_TYPEDEF_YY_SCANNER_T
typedef void* yyscan_t;
#endif
/* For convenience, these vars (plus the bison vars far below)
are macros in the reentrant scanner. */
#define yyin yyg->yyin_r
#define yyout yyg->yyout_r
#define yyextra yyg->yyextra_r
#define yyleng yyg->yyleng_r
#define yytext yyg->yytext_r
#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
#define yy_flex_debug yyg->yy_flex_debug_r
int mimeparser_yylex_init (yyscan_t* scanner);
/* Enter a start condition. This macro really ought to take a parameter,
* but we do it the disgusting crufty way forced on us by the ()-less
* definition of BEGIN.
*/
#define BEGIN yyg->yy_start = 1 + 2 *
/* Translate the current start state into a value that can be later handed
* to BEGIN to return to the state. The YYSTATE alias is for lex
* compatibility.
*/
#define YY_START ((yyg->yy_start - 1) / 2)
#define YYSTATE YY_START
/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE mimeparser_yyrestart(yyin ,yyscanner )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#define YY_BUF_SIZE 16384
#endif
/* The state buf must be large enough to hold one state per character in the main buffer.
*/
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
/* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
* access to the local variable yy_act. Since yyless() is a macro, it would break
* existing scanners that call yyless() from OUTSIDE mimeparser_yylex.
* One obvious solution it to make yy_act a global. I tried that, and saw
* a 5% performance hit in a non-yylineno scanner, because yy_act is
* normally declared as a register variable-- so it is not worth it.
*/
#define YY_LESS_LINENO(n) \
do { \
int yyl;\
for ( yyl = n; yyl < yyleng; ++yyl )\
if ( yytext[yyl] == '\n' )\
--yylineno;\
}while(0)
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg);\
*yy_cp = yyg->yy_hold_char; \
YY_RESTORE_YY_MORE_OFFSET \
yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} \
while ( 0 )
#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
/* The following is because we cannot portably get our hands on size_t
* (without autoconf's help, which isn't available because we want
* flex-generated scanners to compile on their own).
*/
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef unsigned int yy_size_t;
#endif
#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state
{
FILE *yy_input_file;
char *yy_ch_buf; /* input buffer */
char *yy_buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
yy_size_t yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
*/
int yy_n_chars;
/* Whether we "own" the buffer - i.e., we know we created it,
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
int yy_is_our_buffer;
/* Whether this is an "interactive" input source; if so, and
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
int yy_is_interactive;
/* Whether we're considered to be at the beginning of a line.
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
int yy_at_bol;
int yy_bs_lineno; /**< The line count. */
int yy_bs_column; /**< The column count. */
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
int yy_fill_buffer;
int yy_buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
/* When an EOF's been seen but there's still some text to process
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via mimeparser_yyrestart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */
/* We provide macros for accessing buffer states in case in the
* future we want to put the buffer states in a more general
* "scanner state".
*
* Returns the top of the stack, or NULL.
*/
#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \
? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \
: NULL)
/* Same as previous macro, but useful when we know that the buffer stack is not
* NULL or when we need an lvalue. For internal use only.
*/
#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
void mimeparser_yyrestart (FILE *input_file ,yyscan_t yyscanner );
void mimeparser_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
YY_BUFFER_STATE mimeparser_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
void mimeparser_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
void mimeparser_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
void mimeparser_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
void mimeparser_yypop_buffer_state (yyscan_t yyscanner );
static void mimeparser_yyensure_buffer_stack (yyscan_t yyscanner );
static void mimeparser_yy_load_buffer_state (yyscan_t yyscanner );
static void mimeparser_yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
#define YY_FLUSH_BUFFER mimeparser_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
YY_BUFFER_STATE mimeparser_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
YY_BUFFER_STATE mimeparser_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
YY_BUFFER_STATE mimeparser_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
void *mimeparser_yyalloc (yy_size_t ,yyscan_t yyscanner );
void *mimeparser_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
void mimeparser_yyfree (void * ,yyscan_t yyscanner );
#define yy_new_buffer mimeparser_yy_create_buffer
#define yy_set_interactive(is_interactive) \
{ \
if ( ! YY_CURRENT_BUFFER ){ \
mimeparser_yyensure_buffer_stack (yyscanner); \
YY_CURRENT_BUFFER_LVALUE = \
mimeparser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
}
#define yy_set_bol(at_bol) \
{ \
if ( ! YY_CURRENT_BUFFER ){\
mimeparser_yyensure_buffer_stack (yyscanner); \
YY_CURRENT_BUFFER_LVALUE = \
mimeparser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
}
#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
/* Begin user sect3 */
typedef unsigned char YY_CHAR;
typedef int yy_state_type;
#define yytext_ptr yytext_r
static yy_state_type yy_get_previous_state (yyscan_t yyscanner );
static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner);
static int yy_get_next_buffer (yyscan_t yyscanner );
static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
/* Done after the current pattern has been matched and before the
* corresponding action - sets up yytext.
*/
#define YY_DO_BEFORE_ACTION \
yyg->yytext_ptr = yy_bp; \
yyleng = (size_t) (yy_cp - yy_bp); \
yyg->yy_hold_char = *yy_cp; \
*yy_cp = '\0'; \
yyg->yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 30
#define YY_END_OF_BUFFER 31
/* This struct is not used in this scanner,
but its presence is necessary. */
struct yy_trans_info
{
flex_int32_t yy_verify;
flex_int32_t yy_nxt;
};
static yyconst flex_int16_t yy_acclist[179] =
{ 0,
31, 2, 29, 30, 28, 30, 2, 29, 30, 1,
2, 29, 30, 3, 28, 30, 2, 29, 30, 29,
30, 5, 28, 30, 29, 30, 4, 29, 30, 7,
29, 30, 7, 13, 29, 30, 8, 28, 30, 7,
29, 30, 7, 11, 29, 30, 7, 12, 29, 30,
7, 12, 29, 30, 7, 9, 29, 30, 7, 10,
29, 30, 8, 28, 30, 29, 30, 14, 29, 30,
15, 29, 30, 29, 30, 20, 29, 30, 18, 28,
30, 19, 29, 30, 20, 29, 30, 27, 29, 30,
21, 28, 30, 27, 29, 30, 26, 29, 30, 26,
29, 30, 26, 29, 30, 22, 29, 30, 24, 28,
30, 29, 30, 23, 29, 30, 25, 28, 30, 29,
30, 28, 1, 1, 3, 28, 5, 28, 7, 7,
7, 13, 6, 8, 28, 7, 12, 7, 12, 7,
8, 28, 14, 20, 18, 28, 20, 21, 28, 22,
24, 28, 23, 25, 28, 6, 9, 17, 20, 17,
7, 7, 6, 7, 7, 9, 17, 20, 7, 7,
6, 7, 7, 9, 16, 17, 20, 7
} ;
static yyconst flex_int16_t yy_accept[112] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 2, 5, 7, 10, 14,
17, 20, 22, 25, 27, 30, 33, 37, 40, 43,
47, 51, 55, 59, 63, 66, 68, 71, 74, 76,
79, 82, 85, 88, 91, 94, 97, 100, 103, 106,
109, 112, 114, 117, 120, 122, 123, 124, 125, 127,
129, 130, 130, 131, 133, 134, 136, 138, 140, 140,
141, 143, 144, 145, 147, 148, 150, 150, 151, 153,
154, 156, 156, 156, 157, 158, 158, 160, 161, 162,
163, 165, 167, 169, 170, 171, 173, 175, 178, 179,
179
} ;
static yyconst flex_int32_t yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
1, 1, 4, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 5, 1, 6, 1, 1, 1, 1, 7, 7,
7, 1, 7, 7, 8, 9, 10, 11, 11, 11,
11, 11, 11, 11, 11, 11, 11, 12, 13, 7,
14, 7, 7, 7, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
16, 1, 16, 1, 11, 1, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 1, 17, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1
} ;
static yyconst flex_int32_t yy_meta[18] =
{ 0,
1, 1, 2, 3, 4, 1, 4, 5, 4, 4,
5, 4, 4, 4, 5, 1, 1
} ;
static yyconst flex_int16_t yy_base[128] =
{ 0,
0, 2, 4, 15, 28, 38, 50, 0, 67, 0,
6, 8, 10, 82, 12, 17, 19, 88, 21, 23,
25, 30, 32, 34, 228, 253, 253, 224, 208, 253,
219, 253, 253, 165, 253, 40, 95, 43, 43, 84,
110, 119, 90, 98, 253, 155, 0, 253, 153, 0,
253, 148, 131, 253, 253, 132, 253, 128, 116, 0,
253, 119, 0, 253, 108, 253, 0, 80, 253, 253,
100, 103, 103, 0, 118, 127, 0, 0, 131, 106,
253, 0, 0, 253, 136, 253, 0, 0, 253, 0,
253, 138, 139, 143, 144, 145, 153, 0, 0, 155,
160, 161, 81, 112, 169, 162, 173, 41, 173, 253,
178, 183, 188, 193, 198, 203, 208, 34, 213, 215,
220, 225, 230, 235, 237, 242, 247
} ;
static yyconst flex_int16_t yy_def[128] =
{ 0,
111, 111, 111, 111, 112, 112, 110, 7, 110, 9,
112, 112, 113, 113, 114, 114, 115, 115, 116, 116,
117, 117, 112, 112, 110, 110, 110, 110, 118, 110,
110, 110, 110, 110, 110, 119, 119, 110, 119, 119,
119, 41, 119, 119, 110, 110, 120, 110, 110, 121,
110, 110, 121, 110, 110, 110, 110, 110, 110, 122,
110, 110, 123, 110, 110, 110, 118, 118, 110, 110,
119, 110, 119, 37, 110, 110, 41, 42, 110, 119,
110, 120, 121, 110, 124, 110, 125, 122, 110, 123,
110, 126, 110, 126, 126, 110, 124, 125, 127, 127,
127, 127, 97, 127, 127, 105, 105, 97, 127, 0,
110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
110, 110, 110, 110, 110, 110, 110
} ;
static yyconst flex_int16_t yy_nxt[271] =
{ 0,
110, 110, 27, 28, 27, 28, 27, 28, 27, 49,
27, 49, 51, 52, 55, 56, 29, 30, 31, 55,
56, 55, 58, 61, 62, 61, 62, 64, 65, 29,
33, 34, 64, 65, 27, 49, 27, 49, 67, 35,
33, 34, 72, 73, 75, 76, 73, 75, 108, 35,
36, 37, 38, 39, 37, 40, 41, 42, 42, 36,
42, 36, 43, 44, 42, 41, 37, 32, 32, 45,
46, 47, 48, 47, 47, 47, 47, 47, 47, 47,
47, 47, 32, 32, 51, 52, 72, 73, 108, 53,
55, 58, 79, 80, 68, 59, 74, 72, 73, 74,
72, 73, 72, 73, 92, 93, 73, 92, 96, 73,
91, 74, 72, 73, 72, 109, 77, 77, 77, 75,
77, 89, 75, 87, 77, 77, 78, 78, 94, 78,
86, 94, 95, 78, 86, 95, 83, 83, 85, 100,
92, 83, 100, 92, 101, 102, 95, 101, 102, 95,
84, 83, 83, 83, 83, 66, 105, 81, 83, 105,
103, 106, 107, 106, 106, 107, 106, 70, 83, 83,
105, 72, 109, 105, 107, 93, 109, 107, 26, 26,
26, 26, 26, 32, 32, 32, 32, 32, 50, 50,
50, 50, 50, 54, 54, 54, 54, 54, 57, 57,
57, 57, 57, 60, 60, 60, 60, 60, 63, 63,
63, 63, 63, 71, 71, 71, 71, 71, 82, 82,
83, 69, 68, 83, 83, 88, 66, 110, 88, 88,
90, 110, 110, 90, 90, 97, 110, 110, 97, 97,
98, 98, 99, 110, 99, 99, 99, 104, 110, 104,
104, 104, 25, 110, 110, 110, 110, 110, 110, 110,
110, 110, 110, 110, 110, 110, 110, 110, 110, 110
} ;
static yyconst flex_int16_t yy_chk[271] =
{ 0,
0, 0, 1, 1, 2, 2, 3, 3, 11, 11,
12, 12, 13, 13, 15, 15, 2, 4, 4, 16,
16, 17, 17, 19, 19, 20, 20, 21, 21, 4,
5, 5, 22, 22, 23, 23, 24, 24, 118, 5,
6, 6, 36, 36, 38, 39, 39, 38, 108, 6,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 9, 9, 14, 14, 40, 40, 103, 14,
18, 18, 43, 43, 68, 18, 37, 37, 37, 37,
44, 44, 71, 71, 72, 73, 73, 72, 80, 80,
65, 37, 41, 41, 104, 104, 41, 41, 41, 75,
41, 62, 75, 59, 41, 41, 42, 42, 76, 42,
58, 76, 79, 42, 56, 79, 85, 85, 53, 92,
93, 85, 92, 93, 94, 95, 96, 94, 95, 96,
52, 85, 85, 97, 97, 49, 100, 46, 97, 100,
97, 101, 102, 106, 101, 102, 106, 34, 97, 97,
105, 105, 105, 105, 107, 109, 109, 107, 111, 111,
111, 111, 111, 112, 112, 112, 112, 112, 113, 113,
113, 113, 113, 114, 114, 114, 114, 114, 115, 115,
115, 115, 115, 116, 116, 116, 116, 116, 117, 117,
117, 117, 117, 119, 119, 119, 119, 119, 120, 120,
121, 31, 29, 121, 121, 122, 28, 25, 122, 122,
123, 0, 0, 123, 123, 124, 0, 0, 124, 124,
125, 125, 126, 0, 126, 126, 126, 127, 0, 127,
127, 127, 110, 110, 110, 110, 110, 110, 110, 110,
110, 110, 110, 110, 110, 110, 110, 110, 110, 110
} ;
/* Table of booleans, true if rule could match eol. */
static yyconst flex_int32_t yy_rule_can_match_eol[31] =
{ 0,
0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0,
0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, };
#define REJECT \
{ \
*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ \
yy_cp = yyg->yy_full_match; /* restore poss. backed-over text */ \
++yyg->yy_lp; \
goto find_rule; \
}
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
#line 1 "mimeparser.l"
#line 2 "mimeparser.l"
/*
* Copyright (c) 2004 Jann Fischer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/**
* This is a lexer file for parsing MIME compatible messages. It is intended
* to satisfy at least RFC 2045 (Format of Internet Message Bodies). It still
* has quite a few problems:
*
* - The parsing could probably be done in a more elegant way
* - I don't know what performance impact REJECT has on the parser
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "mimeparser.h"
#include "mimeparser.tab.h"
#define NAMEOF(v) #v
/* BC() is a debug wrapper for lex' BEGIN() macro */
#define BC(x) do { \
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner); \
BEGIN(x); \
lstate->condition = x; \
} while(0);
#define ZERO(x) memset(x, '\0', sizeof(x))
#define PREALLOC_BUFFER 100000
#undef YY_BUF_SIZE
#define YY_BUF_SIZE 65536
enum header_states
{
STATE_MAIL = 0,
STATE_CTYPE,
STATE_CDISP,
STATE_CENC,
STATE_MIME
};
#line 658 "mimeparser.yy.c"
#define INITIAL 0
#define headers 1
#define header 2
#define headervalue 3
#define tspecialvalue 4
#define comment 5
#define body 6
#define postamble 7
#define preamble 8
#define boundary 9
#define endboundary 10
#define endoffile 11
#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
* down here because we want the user's section 1 to have been scanned first.
* The user has a chance to override it with an option.
*/
#include <unistd.h>
#endif
#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
#endif
/* Holds the entire state of the reentrant scanner. */
struct yyguts_t
{
/* User-defined. Not touched by flex. */
YY_EXTRA_TYPE yyextra_r;
/* The rest are the same as the globals declared in the non-reentrant scanner. */
FILE *yyin_r, *yyout_r;
size_t yy_buffer_stack_top; /**< index of top of stack. */
size_t yy_buffer_stack_max; /**< capacity of stack. */
YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
char yy_hold_char;
int yy_n_chars;
int yyleng_r;
char *yy_c_buf_p;
int yy_init;
int yy_start;
int yy_did_buffer_switch_on_eof;
int yy_start_stack_ptr;
int yy_start_stack_depth;
int *yy_start_stack;
yy_state_type yy_last_accepting_state;
char* yy_last_accepting_cpos;
int yylineno_r;
int yy_flex_debug_r;
yy_state_type *yy_state_buf;
yy_state_type *yy_state_ptr;
char *yy_full_match;
int yy_lp;
char *yytext_r;
int yy_more_flag;
int yy_more_len;
YYSTYPE * yylval_r;
}; /* end struct yyguts_t */
static int yy_init_globals (yyscan_t yyscanner );
/* This must go here because YYSTYPE and YYLTYPE are included
* from bison output in section 1.*/
# define yylval yyg->yylval_r
/* Accessor methods to globals.
These are made visible to non-reentrant scanners for convenience. */
int mimeparser_yylex_destroy (yyscan_t yyscanner );
int mimeparser_yyget_debug (yyscan_t yyscanner );
void mimeparser_yyset_debug (int debug_flag ,yyscan_t yyscanner );
YY_EXTRA_TYPE mimeparser_yyget_extra (yyscan_t yyscanner );
void mimeparser_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
FILE *mimeparser_yyget_in (yyscan_t yyscanner );
void mimeparser_yyset_in (FILE * in_str ,yyscan_t yyscanner );
FILE *mimeparser_yyget_out (yyscan_t yyscanner );
void mimeparser_yyset_out (FILE * out_str ,yyscan_t yyscanner );
int mimeparser_yyget_leng (yyscan_t yyscanner );
char *mimeparser_yyget_text (yyscan_t yyscanner );
int mimeparser_yyget_lineno (yyscan_t yyscanner );
int mimeparser_yyget_column (yyscan_t yyscanner);
void mimeparser_yyset_lineno (int line_number ,yyscan_t yyscanner );
void mimeparser_yyset_column (int column_no , yyscan_t yyscanner);
YYSTYPE * mimeparser_yyget_lval (yyscan_t yyscanner );
void mimeparser_yyset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int mimeparser_yywrap (yyscan_t yyscanner );
#else
extern int mimeparser_yywrap (yyscan_t yyscanner );
#endif
#endif
static void yyunput (int c,char *buf_ptr ,yyscan_t yyscanner);
#ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
#endif
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput (yyscan_t yyscanner );
#else
static int input (yyscan_t yyscanner );
#endif
#endif
/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif
/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
#endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
* is returned in "result".
*/
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
{ \
int c = '*'; \
size_t n; \
for ( n = 0; n < max_size && \
(c = getc( yyin )) != EOF && c != '\n'; ++n ) \
buf[n] = (char) c; \
if ( c == '\n' ) \
buf[n++] = (char) c; \
if ( c == EOF && ferror( yyin ) ) \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
result = n; \
} \
else \
{ \
errno=0; \
while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
{ \
if( errno != EINTR) \
{ \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
break; \
} \
errno=0; \
clearerr(yyin); \
} \
}\
\
#endif
/* No semi-colon after return; correct usage is to write "yyterminate();" -
* we don't want an extra ';' after the "return" because that will cause
* some compilers to complain about unreachable statements.
*/
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif
/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif
/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner)
#endif
/* end tables serialization structures and prototypes */
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1
extern int mimeparser_yylex \
(YYSTYPE * yylval_param ,yyscan_t yyscanner);
#define YY_DECL int mimeparser_yylex \
(YYSTYPE * yylval_param , yyscan_t yyscanner)
#endif /* !YY_DECL */
/* Code executed at the beginning of each rule, after yytext and yyleng
* have been set up.
*/
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif
/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif
#define YY_RULE_SETUP \
if ( yyleng > 0 ) \
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
(yytext[yyleng - 1] == '\n'); \
YY_USER_ACTION
/** The main scanner function which does all the work.
*/
YY_DECL
{
register yy_state_type yy_current_state;
register char *yy_cp, *yy_bp;
register int yy_act;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
#line 94 "mimeparser.l"
#line 909 "mimeparser.yy.c"
yylval = yylval_param;
if ( !yyg->yy_init )
{
yyg->yy_init = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
/* Create the reject buffer large enough to save one state per allowed character. */
if ( ! yyg->yy_state_buf )
yyg->yy_state_buf = (yy_state_type *)mimeparser_yyalloc(YY_STATE_BUF_SIZE ,yyscanner);
if ( ! yyg->yy_start )
yyg->yy_start = 1; /* first start state */
if ( ! yyin )
yyin = stdin;
if ( ! yyout )
yyout = stdout;
if ( ! YY_CURRENT_BUFFER ) {
mimeparser_yyensure_buffer_stack (yyscanner);
YY_CURRENT_BUFFER_LVALUE =
mimeparser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
}
mimeparser_yy_load_buffer_state(yyscanner );
}
while ( 1 ) /* loops until end-of-file is reached */
{
yy_cp = yyg->yy_c_buf_p;
/* Support of yytext. */
*yy_cp = yyg->yy_hold_char;
/* yy_bp points to the position in yy_ch_buf of the start of
* the current run.
*/
yy_bp = yy_cp;
yy_current_state = yyg->yy_start;
yy_current_state += YY_AT_BOL();
yyg->yy_state_ptr = yyg->yy_state_buf;
*yyg->yy_state_ptr++ = yy_current_state;
yy_match:
do
{
register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 111 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
*yyg->yy_state_ptr++ = yy_current_state;
++yy_cp;
}
while ( yy_base[yy_current_state] != 253 );
yy_find_action:
yy_current_state = *--yyg->yy_state_ptr;
yyg->yy_lp = yy_accept[yy_current_state];
find_rule: /* we branch to this label when backing up */
for ( ; ; ) /* until we find what rule we matched */
{
if ( yyg->yy_lp && yyg->yy_lp < yy_accept[yy_current_state + 1] )
{
yy_act = yy_acclist[yyg->yy_lp];
{
yyg->yy_full_match = yy_cp;
break;
}
}
--yy_cp;
yy_current_state = *--yyg->yy_state_ptr;
yyg->yy_lp = yy_accept[yy_current_state];
}
YY_DO_BEFORE_ACTION;
if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
{
int yyl;
for ( yyl = 0; yyl < yyleng; ++yyl )
if ( yytext[yyl] == '\n' )
do{ yylineno++;
yycolumn=0;
}while(0)
;
}
do_action: /* This label is used only to access EOF actions. */
switch ( yy_act )
{ /* beginning of action switch */
case 1:
YY_RULE_SETUP
#line 96 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
yylval_param->string=strdup(yytext);
lstate->current_pos += yyleng;
BC(header);
/* Depending on what header we are processing, we enter a different
* state and return a different value.
*/
if (!strcasecmp(yytext, "Content-Type")) {
lstate->header_state = STATE_CTYPE;
return CONTENTTYPE_HEADER;
} else if (!strcasecmp(yytext, "Content-Transfer-Encoding")) {
lstate->header_state = STATE_CENC;
return CONTENTENCODING_HEADER;
} else if (!strcasecmp(yytext, "Content-Disposition")) {
lstate->header_state = STATE_CDISP;
return CONTENTDISPOSITION_HEADER;
} else if (!strcasecmp(yytext, "MIME-Version")) {
lstate->header_state = STATE_MAIL;
return MIMEVERSION_HEADER;
} else {
lstate->header_state = STATE_MAIL;
return MAIL_HEADER;
}
}
YY_BREAK
case 2:
YY_RULE_SETUP
#line 124 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
/* dprintf2("Unknown header char: %c\n", *yytext); */
lstate->current_pos += yyleng;
return ANY;
}
YY_BREAK
case 3:
/* rule 3 can match eol */
YY_RULE_SETUP
#line 131 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->lineno++;
lstate->current_pos += yyleng;
/* This marks the end of headers. Depending on whether we are in the
* envelope currently we need to parse either a body or the preamble
* now.
*/
if (lstate->is_envelope == 0 || lstate->boundary_string == NULL) {
BC(body);
lstate->body_start = lstate->current_pos;
} else {
lstate->is_envelope = 0;
lstate->preamble_start = lstate->current_pos;
BC(preamble);
}
return ENDOFHEADERS;
}
YY_BREAK
case 4:
YY_RULE_SETUP
#line 153 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
BC(headervalue);
lstate->current_pos += yyleng;
return COLON;
}
YY_BREAK
case 5:
/* rule 5 can match eol */
YY_RULE_SETUP
#line 160 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
BC(headers);
/* dprintf2("Invalid header, returning EOL\n"); */
lstate->current_pos += yyleng;
return EOL;
}
YY_BREAK
case 6:
/* rule 6 can match eol */
YY_RULE_SETUP
#line 168 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
}
YY_BREAK
case 7:
/* rule 7 can match eol */
YY_RULE_SETUP
#line 173 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
if (lstate->header_state != STATE_MAIL && lstate->header_state != STATE_CENC) {
REJECT;
}
lstate->current_pos += yyleng;
while (*yytext && isspace(*yytext)) yytext++;
/* Do we actually have a header value? */
if (*yytext == '\0') {
yylval_param->string = strdup("");
} else {
yylval_param->string=strdup(yytext);
lstate->lineno += count_lines(yytext);
}
return WORD;
}
YY_BREAK
case 8:
/* rule 8 can match eol */
YY_RULE_SETUP
#line 190 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
/* marks the end of one header line */
lstate->lineno++;
BC(headers);
lstate->current_pos += yyleng;
return EOL;
}
YY_BREAK
case 9:
/* rule 9 can match eol */
YY_RULE_SETUP
#line 199 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->lineno += count_lines(yytext);
lstate->current_pos += yyleng;
return SEMICOLON;
}
YY_BREAK
case 10:
YY_RULE_SETUP
#line 206 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
return EQUAL;
}
YY_BREAK
case 11:
YY_RULE_SETUP
#line 212 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
BC(tspecialvalue);
lstate->current_pos += yyleng;
return *yytext;
}
YY_BREAK
case 12:
YY_RULE_SETUP
#line 219 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
yylval_param->string=strdup(yytext);
lstate->lineno += count_lines(yytext);
lstate->current_pos += yyleng;
return WORD;
}
YY_BREAK
case 13:
YY_RULE_SETUP
#line 227 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
}
YY_BREAK
case 14:
YY_RULE_SETUP
#line 232 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->lineno += count_lines(yytext);
yylval_param->string=strdup(yytext);
lstate->current_pos += yyleng;
return TSPECIAL;
}
YY_BREAK
case 15:
YY_RULE_SETUP
#line 240 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
BC(headervalue);
lstate->current_pos += yyleng;
return *yytext;
}
YY_BREAK
case 16:
YY_RULE_SETUP
#line 247 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
/**
* Make sure we only catch matching boundaries, and not other lines
* that begin and end with two dashes. If we have catched a valid
* end boundary, which actually ends a body, we save the current
* position, put the token back on the input stream and let the
* endboundary condition parse the actual token.
*/
if (lstate->endboundary_string != NULL) {
if (strcmp(lstate->endboundary_string, yytext)) {
/* dprintf2("YYTEXT != end_boundary: '%s'\n", yytext); */
REJECT;
} else {
lstate->current_pos += yyleng;
/* dprintf2("YYTEXT == lstate->end_boundary: '%s'\n", yytext); */
if (lstate->body_start) {
yylval_param->position.opaque_start =
lstate->body_opaque_start;
yylval_param->position.start = lstate->body_start;
yylval_param->position.end = lstate->current_pos - yyleng;
lstate->body_opaque_start = 0;
lstate->body_start = 0;
lstate->body_end = 0;
yyless(0);
BC(endboundary);
return BODY;
}
}
} else {
}
REJECT;
}
YY_BREAK
case 17:
YY_RULE_SETUP
#line 282 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
/**
* Make sure we only catch matching boundaries, and not other lines
* that begin with two dashes.
*/
if (lstate->boundary_string != NULL) {
if (strcmp(lstate->boundary_string, yytext)) {
/* dprintf2("YYTEXT != boundary: '%s'\n", yytext);*/
REJECT;
} else {
/* dprintf2("YYTEXT == boundary: '%s'\n", yytext);*/
if (lstate->body_start) {
yylval_param->position.opaque_start = lstate->body_opaque_start;
yylval_param->position.start = lstate->body_start;
yylval_param->position.end = lstate->current_pos;
lstate->body_opaque_start = 0;
lstate->body_start = 0;
lstate->body_end = 0;
yyless(0);
BC(boundary);
return BODY;
} else if (lstate->preamble_start) {
yylval_param->position.start = lstate->preamble_start;
yylval_param->position.end = lstate->current_pos;
lstate->preamble_start = lstate->preamble_end = 0;
yyless(0);
BC(boundary);
return PREAMBLE;
} else {
BC(boundary);
yylval_param->string = strdup(yytext);
lstate->current_pos += yyleng;
return(BOUNDARY);
}
}
} else {
}
REJECT;
}
YY_BREAK
case 18:
/* rule 18 can match eol */
YY_RULE_SETUP
#line 324 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
lstate->lineno++;
}
YY_BREAK
case 19:
YY_RULE_SETUP
#line 330 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
/* dprintf2("stray CR in body...\n"); */
}
YY_BREAK
case 20:
YY_RULE_SETUP
#line 336 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
}
YY_BREAK
case YY_STATE_EOF(body):
#line 341 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
if (lstate->boundary_string == NULL && lstate->body_start) {
yylval_param->position.opaque_start = 0;
yylval_param->position.start = lstate->body_start;
yylval_param->position.end = lstate->current_pos;
lstate->body_start = 0;
return BODY;
} else if (lstate->body_start) {
return POSTAMBLE;
}
yyterminate();
}
YY_BREAK
case 21:
/* rule 21 can match eol */
YY_RULE_SETUP
#line 355 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
/* dprintf2("Preamble CR/LF at line %d\n", lineno); */
lstate->lineno++;
lstate->current_pos += yyleng;
}
YY_BREAK
case 22:
YY_RULE_SETUP
#line 362 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
yylval_param->string = strdup(yytext);
lstate->current_pos += yyleng;
return BOUNDARY;
}
YY_BREAK
case 23:
YY_RULE_SETUP
#line 369 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
yylval_param->string = strdup(yytext);
lstate->current_pos += yyleng;
return ENDBOUNDARY;
}
YY_BREAK
case 24:
/* rule 24 can match eol */
YY_RULE_SETUP
#line 376 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
BC(headers);
lstate->lineno++;
lstate->current_pos += yyleng;
lstate->body_opaque_start = lstate->current_pos;
return EOL;
}
YY_BREAK
case 25:
/* rule 25 can match eol */
YY_RULE_SETUP
#line 385 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
BC(postamble);
lstate->lineno++;
lstate->current_pos += yyleng;
}
YY_BREAK
case 26:
YY_RULE_SETUP
#line 392 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
}
YY_BREAK
case 27:
YY_RULE_SETUP
#line 398 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
}
YY_BREAK
case 28:
/* rule 28 can match eol */
YY_RULE_SETUP
#line 403 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->lineno++;
lstate->current_pos += yyleng;
return EOL;
}
YY_BREAK
case 29:
YY_RULE_SETUP
#line 410 "mimeparser.l"
{
struct lexer_state *lstate = mimeparser_yyget_extra(yyscanner);
lstate->current_pos += yyleng;
return((int)*yytext);
}
YY_BREAK
case 30:
YY_RULE_SETUP
#line 417 "mimeparser.l"
ECHO;
YY_BREAK
#line 1438 "mimeparser.yy.c"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(headers):
case YY_STATE_EOF(header):
case YY_STATE_EOF(headervalue):
case YY_STATE_EOF(tspecialvalue):
case YY_STATE_EOF(comment):
case YY_STATE_EOF(postamble):
case YY_STATE_EOF(preamble):
case YY_STATE_EOF(boundary):
case YY_STATE_EOF(endboundary):
case YY_STATE_EOF(endoffile):
yyterminate();
case YY_END_OF_BUFFER:
{
/* Amount of text matched not including the EOB char. */
int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1;
/* Undo the effects of YY_DO_BEFORE_ACTION. */
*yy_cp = yyg->yy_hold_char;
YY_RESTORE_YY_MORE_OFFSET
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
{
/* We're scanning a new file or input source. It's
* possible that this happened because the user
* just pointed yyin at a new source and called
* mimeparser_yylex(). If so, then we have to assure
* consistency between YY_CURRENT_BUFFER and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
}
/* Note that here we test for yy_c_buf_p "<=" to the position
* of the first EOB in the buffer, since yy_c_buf_p will
* already have been incremented past the NUL character
* (since all states make transitions on EOB to the
* end-of-buffer state). Contrast this with the test
* in input().
*/
if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
{ /* This was really a NUL. */
yy_state_type yy_next_state;
yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state( yyscanner );
/* Okay, we're now positioned to make the NUL
* transition. We couldn't have
* yy_get_previous_state() go ahead and do it
* for us because it doesn't know how to deal
* with the possibility of jamming (and we don't
* want to build jamming into it because then it
* will run more slowly).
*/
yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner);
yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
if ( yy_next_state )
{
/* Consume the NUL. */
yy_cp = ++yyg->yy_c_buf_p;
yy_current_state = yy_next_state;
goto yy_match;
}
else
{
yy_cp = yyg->yy_c_buf_p;
goto yy_find_action;
}
}
else switch ( yy_get_next_buffer( yyscanner ) )
{
case EOB_ACT_END_OF_FILE:
{
yyg->yy_did_buffer_switch_on_eof = 0;
if ( mimeparser_yywrap(yyscanner ) )
{
/* Note: because we've taken care in
* yy_get_next_buffer() to have set up
* yytext, we can now set up
* yy_c_buf_p so that if some total
* hoser (like flex itself) wants to
* call the scanner after we return the
* YY_NULL, it'll still work - another
* YY_NULL will get returned.
*/
yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
yy_act = YY_STATE_EOF(YY_START);
goto do_action;
}
else
{
if ( ! yyg->yy_did_buffer_switch_on_eof )
YY_NEW_FILE;
}
break;
}
case EOB_ACT_CONTINUE_SCAN:
yyg->yy_c_buf_p =
yyg->yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state( yyscanner );
yy_cp = yyg->yy_c_buf_p;
yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
goto yy_match;
case EOB_ACT_LAST_MATCH:
yyg->yy_c_buf_p =
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
yy_current_state = yy_get_previous_state( yyscanner );
yy_cp = yyg->yy_c_buf_p;
yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
goto yy_find_action;
}
break;
}
default:
YY_FATAL_ERROR(
"fatal flex scanner internal error--no action found" );
} /* end of action switch */
} /* end of scanning one token */
} /* end of mimeparser_yylex */
/* yy_get_next_buffer - try to read in a new buffer
*
* Returns a code representing an action:
* EOB_ACT_LAST_MATCH -
* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
* EOB_ACT_END_OF_FILE - end of file
*/
static int yy_get_next_buffer (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
register char *source = yyg->yytext_ptr;
register int number_to_move, i;
int ret_val;
if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] )
YY_FATAL_ERROR(
"fatal flex scanner internal error--end of buffer missed" );
if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
{ /* Don't try to fill the buffer, so this is an EOF. */
if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 )
{
/* We matched a single character, the EOB, so
* treat this as a final EOF.
*/
return EOB_ACT_END_OF_FILE;
}
else
{
/* We matched some text prior to the EOB, first
* process it.
*/
return EOB_ACT_LAST_MATCH;
}
}
/* Try to read more data. */
/* First move last chars to start of buffer. */
number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1;
for ( i = 0; i < number_to_move; ++i )
*(dest++) = *(source++);
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
/* don't do the read, it's not guaranteed to return an EOF,
* just force an EOF
*/
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0;
else
{
int num_to_read =
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
{ /* Not enough room in the buffer - grow it. */
YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
}
if ( num_to_read > YY_READ_BUF_SIZE )
num_to_read = YY_READ_BUF_SIZE;
/* Read in more data. */
YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
yyg->yy_n_chars, (size_t) num_to_read );
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
}
if ( yyg->yy_n_chars == 0 )
{
if ( number_to_move == YY_MORE_ADJ )
{
ret_val = EOB_ACT_END_OF_FILE;
mimeparser_yyrestart(yyin ,yyscanner);
}
else
{
ret_val = EOB_ACT_LAST_MATCH;
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
YY_BUFFER_EOF_PENDING;
}
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
yyg->yy_n_chars += number_to_move;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
return ret_val;
}
/* yy_get_previous_state - get the state just before the EOB char was reached */
static yy_state_type yy_get_previous_state (yyscan_t yyscanner)
{
register yy_state_type yy_current_state;
register char *yy_cp;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yy_current_state = yyg->yy_start;
yy_current_state += YY_AT_BOL();
yyg->yy_state_ptr = yyg->yy_state_buf;
*yyg->yy_state_ptr++ = yy_current_state;
for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp )
{
register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 111 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
*yyg->yy_state_ptr++ = yy_current_state;
}
return yy_current_state;
}
/* yy_try_NUL_trans - try to make a transition on the NUL character
*
* synopsis
* next_state = yy_try_NUL_trans( current_state );
*/
static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner)
{
register int yy_is_jam;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
register YY_CHAR yy_c = 1;
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 111 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
yy_is_jam = (yy_current_state == 110);
if ( ! yy_is_jam )
*yyg->yy_state_ptr++ = yy_current_state;
return yy_is_jam ? 0 : yy_current_state;
}
static void yyunput (int c, register char * yy_bp , yyscan_t yyscanner)
{
register char *yy_cp;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yy_cp = yyg->yy_c_buf_p;
/* undo effects of setting up yytext */
*yy_cp = yyg->yy_hold_char;
if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
{ /* need to shift things up to make room */
/* +2 for EOB chars. */
register int number_to_move = yyg->yy_n_chars + 2;
register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
register char *source =
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
*--dest = *--source;
yy_cp += (int) (dest - source);
yy_bp += (int) (dest - source);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
YY_FATAL_ERROR( "flex scanner push-back overflow" );
}
*--yy_cp = (char) c;
if ( c == '\n' ){
--yylineno;
}
yyg->yytext_ptr = yy_bp;
yyg->yy_hold_char = *yy_cp;
yyg->yy_c_buf_p = yy_cp;
}
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput (yyscan_t yyscanner)
#else
static int input (yyscan_t yyscanner)
#endif
{
int c;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
*yyg->yy_c_buf_p = yyg->yy_hold_char;
if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
{
/* yy_c_buf_p now points to the character we want to return.
* If this occurs *before* the EOB characters, then it's a
* valid NUL; if not, then we've hit the end of the buffer.
*/
if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
/* This was really a NUL. */
*yyg->yy_c_buf_p = '\0';
else
{ /* need more input */
int offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
++yyg->yy_c_buf_p;
switch ( yy_get_next_buffer( yyscanner ) )
{
case EOB_ACT_LAST_MATCH:
/* This happens because yy_g_n_b()
* sees that we've accumulated a
* token and flags that we need to
* try matching the token before
* proceeding. But for input(),
* there's no matching to consider.
* So convert the EOB_ACT_LAST_MATCH
* to EOB_ACT_END_OF_FILE.
*/
/* Reset buffer status. */
mimeparser_yyrestart(yyin ,yyscanner);
/*FALLTHROUGH*/
case EOB_ACT_END_OF_FILE:
{
if ( mimeparser_yywrap(yyscanner ) )
return EOF;
if ( ! yyg->yy_did_buffer_switch_on_eof )
YY_NEW_FILE;
#ifdef __cplusplus
return yyinput(yyscanner);
#else
return input(yyscanner);
#endif
}
case EOB_ACT_CONTINUE_SCAN:
yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
break;
}
}
}
c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */
*yyg->yy_c_buf_p = '\0'; /* preserve yytext */
yyg->yy_hold_char = *++yyg->yy_c_buf_p;
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
if ( YY_CURRENT_BUFFER_LVALUE->yy_at_bol )
do{ yylineno++;
yycolumn=0;
}while(0)
;
return c;
}
#endif /* ifndef YY_NO_INPUT */
/** Immediately switch to a different input stream.
* @param input_file A readable stream.
* @param yyscanner The scanner object.
* @note This function does not reset the start condition to @c INITIAL .
*/
void mimeparser_yyrestart (FILE * input_file , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if ( ! YY_CURRENT_BUFFER ){
mimeparser_yyensure_buffer_stack (yyscanner);
YY_CURRENT_BUFFER_LVALUE =
mimeparser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
}
mimeparser_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
mimeparser_yy_load_buffer_state(yyscanner );
}
/** Switch to a different input buffer.
* @param new_buffer The new input buffer.
* @param yyscanner The scanner object.
*/
void mimeparser_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
/* TODO. We should be able to replace this entire function body
* with
* mimeparser_yypop_buffer_state();
* mimeparser_yypush_buffer_state(new_buffer);
*/
mimeparser_yyensure_buffer_stack (yyscanner);
if ( YY_CURRENT_BUFFER == new_buffer )
return;
if ( YY_CURRENT_BUFFER )
{
/* Flush out information for old buffer. */
*yyg->yy_c_buf_p = yyg->yy_hold_char;
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
}
YY_CURRENT_BUFFER_LVALUE = new_buffer;
mimeparser_yy_load_buffer_state(yyscanner );
/* We don't actually know whether we did this switch during
* EOF (mimeparser_yywrap()) processing, but the only time this flag
* is looked at is after mimeparser_yywrap() is called, so it's safe
* to go ahead and always set it.
*/
yyg->yy_did_buffer_switch_on_eof = 1;
}
static void mimeparser_yy_load_buffer_state (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
yyg->yy_hold_char = *yyg->yy_c_buf_p;
}
/** Allocate and initialize an input buffer state.
* @param file A readable stream.
* @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
* @param yyscanner The scanner object.
* @return the allocated buffer state.
*/
YY_BUFFER_STATE mimeparser_yy_create_buffer (FILE * file, int size , yyscan_t yyscanner)
{
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) mimeparser_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in mimeparser_yy_create_buffer()" );
b->yy_buf_size = size;
/* yy_ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
*/
b->yy_ch_buf = (char *) mimeparser_yyalloc(b->yy_buf_size + 2 ,yyscanner );
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in mimeparser_yy_create_buffer()" );
b->yy_is_our_buffer = 1;
mimeparser_yy_init_buffer(b,file ,yyscanner);
return b;
}
/** Destroy the buffer.
* @param b a buffer created with mimeparser_yy_create_buffer()
* @param yyscanner The scanner object.
*/
void mimeparser_yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if ( ! b )
return;
if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
if ( b->yy_is_our_buffer )
mimeparser_yyfree((void *) b->yy_ch_buf ,yyscanner );
mimeparser_yyfree((void *) b ,yyscanner );
}
#ifndef __cplusplus
extern int isatty (int );
#endif /* __cplusplus */
/* Initializes or reinitializes a buffer.
* This function is sometimes called more than once on the same buffer,
* such as during a mimeparser_yyrestart() or at EOF.
*/
static void mimeparser_yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner)
{
int oerrno = errno;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
mimeparser_yy_flush_buffer(b ,yyscanner);
b->yy_input_file = file;
b->yy_fill_buffer = 1;
/* If b is the current buffer, then mimeparser_yy_init_buffer was _probably_
* called from mimeparser_yyrestart() or through yy_get_next_buffer.
* In that case, we don't want to reset the lineno or column.
*/
if (b != YY_CURRENT_BUFFER){
b->yy_bs_lineno = 1;
b->yy_bs_column = 0;
}
b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
errno = oerrno;
}
/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
* @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
* @param yyscanner The scanner object.
*/
void mimeparser_yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if ( ! b )
return;
b->yy_n_chars = 0;
/* We always need two end-of-buffer characters. The first causes
* a transition to the end-of-buffer state. The second causes
* a jam in that state.
*/
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
b->yy_buf_pos = &b->yy_ch_buf[0];
b->yy_at_bol = 1;
b->yy_buffer_status = YY_BUFFER_NEW;
if ( b == YY_CURRENT_BUFFER )
mimeparser_yy_load_buffer_state(yyscanner );
}
/** Pushes the new state onto the stack. The new state becomes
* the current state. This function will allocate the stack
* if necessary.
* @param new_buffer The new state.
* @param yyscanner The scanner object.
*/
void mimeparser_yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if (new_buffer == NULL)
return;
mimeparser_yyensure_buffer_stack(yyscanner);
/* This block is copied from mimeparser_yy_switch_to_buffer. */
if ( YY_CURRENT_BUFFER )
{
/* Flush out information for old buffer. */
*yyg->yy_c_buf_p = yyg->yy_hold_char;
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
}
/* Only push if top exists. Otherwise, replace top. */
if (YY_CURRENT_BUFFER)
yyg->yy_buffer_stack_top++;
YY_CURRENT_BUFFER_LVALUE = new_buffer;
/* copied from mimeparser_yy_switch_to_buffer. */
mimeparser_yy_load_buffer_state(yyscanner );
yyg->yy_did_buffer_switch_on_eof = 1;
}
/** Removes and deletes the top of the stack, if present.
* The next element becomes the new top.
* @param yyscanner The scanner object.
*/
void mimeparser_yypop_buffer_state (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if (!YY_CURRENT_BUFFER)
return;
mimeparser_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
YY_CURRENT_BUFFER_LVALUE = NULL;
if (yyg->yy_buffer_stack_top > 0)
--yyg->yy_buffer_stack_top;
if (YY_CURRENT_BUFFER) {
mimeparser_yy_load_buffer_state(yyscanner );
yyg->yy_did_buffer_switch_on_eof = 1;
}
}
/* Allocates the stack if it does not exist.
* Guarantees space for at least one push.
*/
static void mimeparser_yyensure_buffer_stack (yyscan_t yyscanner)
{
int num_to_alloc;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if (!yyg->yy_buffer_stack) {
/* First allocation is just for 2 elements, since we don't know if this
* scanner will even need a stack. We use 2 instead of 1 to avoid an
* immediate realloc on the next call.
*/
num_to_alloc = 1;
yyg->yy_buffer_stack = (struct yy_buffer_state**)mimeparser_yyalloc
(num_to_alloc * sizeof(struct yy_buffer_state*)
, yyscanner);
memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
yyg->yy_buffer_stack_max = num_to_alloc;
yyg->yy_buffer_stack_top = 0;
return;
}
if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
/* Increase the buffer to prepare for a possible push. */
int grow_size = 8 /* arbitrary grow size */;
num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
yyg->yy_buffer_stack = (struct yy_buffer_state**)mimeparser_yyrealloc
(yyg->yy_buffer_stack,
num_to_alloc * sizeof(struct yy_buffer_state*)
, yyscanner);
/* zero only the new slots.*/
memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
yyg->yy_buffer_stack_max = num_to_alloc;
}
}
/** Setup the input buffer state to scan directly from a user-specified character buffer.
* @param base the character buffer
* @param size the size in bytes of the character buffer
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE mimeparser_yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner)
{
YY_BUFFER_STATE b;
if ( size < 2 ||
base[size-2] != YY_END_OF_BUFFER_CHAR ||
base[size-1] != YY_END_OF_BUFFER_CHAR )
/* They forgot to leave room for the EOB's. */
return 0;
b = (YY_BUFFER_STATE) mimeparser_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in mimeparser_yy_scan_buffer()" );
b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
b->yy_buf_pos = b->yy_ch_buf = base;
b->yy_is_our_buffer = 0;
b->yy_input_file = 0;
b->yy_n_chars = b->yy_buf_size;
b->yy_is_interactive = 0;
b->yy_at_bol = 1;
b->yy_fill_buffer = 0;
b->yy_buffer_status = YY_BUFFER_NEW;
mimeparser_yy_switch_to_buffer(b ,yyscanner );
return b;
}
/** Setup the input buffer state to scan a string. The next call to mimeparser_yylex() will
* scan from a @e copy of @a str.
* @param yystr a NUL-terminated string to scan
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
* @note If you want to scan bytes that may contain NUL values, then use
* mimeparser_yy_scan_bytes() instead.
*/
YY_BUFFER_STATE mimeparser_yy_scan_string (yyconst char * yystr , yyscan_t yyscanner)
{
return mimeparser_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
}
/** Setup the input buffer state to scan the given bytes. The next call to mimeparser_yylex() will
* scan from a @e copy of @a bytes.
* @param bytes the byte buffer to scan
* @param len the number of bytes in the buffer pointed to by @a bytes.
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE mimeparser_yy_scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner)
{
YY_BUFFER_STATE b;
char *buf;
yy_size_t n;
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
n = _yybytes_len + 2;
buf = (char *) mimeparser_yyalloc(n ,yyscanner );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in mimeparser_yy_scan_bytes()" );
for ( i = 0; i < _yybytes_len; ++i )
buf[i] = yybytes[i];
buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
b = mimeparser_yy_scan_buffer(buf,n ,yyscanner);
if ( ! b )
YY_FATAL_ERROR( "bad buffer in mimeparser_yy_scan_bytes()" );
/* It's okay to grow etc. this buffer, and we should throw it
* away when we're done.
*/
b->yy_is_our_buffer = 1;
return b;
}
#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif
static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner)
{
(void) fprintf( stderr, "%s\n", msg );
exit( YY_EXIT_FAILURE );
}
/* Redefine yyless() so it works in section 3 code. */
#undef yyless
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg);\
yytext[yyleng] = yyg->yy_hold_char; \
yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
yyg->yy_hold_char = *yyg->yy_c_buf_p; \
*yyg->yy_c_buf_p = '\0'; \
yyleng = yyless_macro_arg; \
} \
while ( 0 )
/* Accessor methods (get/set functions) to struct members. */
/** Get the user-defined data for this scanner.
* @param yyscanner The scanner object.
*/
YY_EXTRA_TYPE mimeparser_yyget_extra (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
return yyextra;
}
/** Get the current line number.
* @param yyscanner The scanner object.
*/
int mimeparser_yyget_lineno (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if (! YY_CURRENT_BUFFER)
return 0;
return yylineno;
}
/** Get the current column number.
* @param yyscanner The scanner object.
*/
int mimeparser_yyget_column (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if (! YY_CURRENT_BUFFER)
return 0;
return yycolumn;
}
/** Get the input stream.
* @param yyscanner The scanner object.
*/
FILE *mimeparser_yyget_in (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
return yyin;
}
/** Get the output stream.
* @param yyscanner The scanner object.
*/
FILE *mimeparser_yyget_out (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
return yyout;
}
/** Get the length of the current token.
* @param yyscanner The scanner object.
*/
int mimeparser_yyget_leng (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
return yyleng;
}
/** Get the current token.
* @param yyscanner The scanner object.
*/
char *mimeparser_yyget_text (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
return yytext;
}
/** Set the user-defined data. This data is never touched by the scanner.
* @param user_defined The data to be associated with this scanner.
* @param yyscanner The scanner object.
*/
void mimeparser_yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yyextra = user_defined ;
}
/** Set the current line number.
* @param line_number
* @param yyscanner The scanner object.
*/
void mimeparser_yyset_lineno (int line_number , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
/* lineno is only valid if an input buffer exists. */
if (! YY_CURRENT_BUFFER )
yy_fatal_error( "mimeparser_yyset_lineno called with no buffer" , yyscanner);
yylineno = line_number;
}
/** Set the current column.
* @param line_number
* @param yyscanner The scanner object.
*/
void mimeparser_yyset_column (int column_no , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
/* column is only valid if an input buffer exists. */
if (! YY_CURRENT_BUFFER )
yy_fatal_error( "mimeparser_yyset_column called with no buffer" , yyscanner);
yycolumn = column_no;
}
/** Set the input stream. This does not discard the current
* input buffer.
* @param in_str A readable stream.
* @param yyscanner The scanner object.
* @see mimeparser_yy_switch_to_buffer
*/
void mimeparser_yyset_in (FILE * in_str , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yyin = in_str ;
}
void mimeparser_yyset_out (FILE * out_str , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yyout = out_str ;
}
int mimeparser_yyget_debug (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
return yy_flex_debug;
}
void mimeparser_yyset_debug (int bdebug , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yy_flex_debug = bdebug ;
}
/* Accessor methods for yylval and yylloc */
YYSTYPE * mimeparser_yyget_lval (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
return yylval;
}
void mimeparser_yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yylval = yylval_param;
}
/* User-visible API */
/* mimeparser_yylex_init is special because it creates the scanner itself, so it is
* the ONLY reentrant function that doesn't take the scanner as the last argument.
* That's why we explicitly handle the declaration, instead of using our macros.
*/
int mimeparser_yylex_init(yyscan_t* ptr_yy_globals)
{
if (ptr_yy_globals == NULL){
errno = EINVAL;
return 1;
}
*ptr_yy_globals = (yyscan_t) mimeparser_yyalloc ( sizeof( struct yyguts_t ), NULL );
if (*ptr_yy_globals == NULL){
errno = ENOMEM;
return 1;
}
/* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
return yy_init_globals ( *ptr_yy_globals );
}
static int yy_init_globals (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
/* Initialization is the same as for the non-reentrant scanner.
* This function is called from mimeparser_yylex_destroy(), so don't allocate here.
*/
yyg->yy_buffer_stack = 0;
yyg->yy_buffer_stack_top = 0;
yyg->yy_buffer_stack_max = 0;
yyg->yy_c_buf_p = (char *) 0;
yyg->yy_init = 0;
yyg->yy_start = 0;
yyg->yy_start_stack_ptr = 0;
yyg->yy_start_stack_depth = 0;
yyg->yy_start_stack = NULL;
yyg->yy_state_buf = 0;
yyg->yy_state_ptr = 0;
yyg->yy_full_match = 0;
yyg->yy_lp = 0;
/* Defined in main.c */
#ifdef YY_STDINIT
yyin = stdin;
yyout = stdout;
#else
yyin = (FILE *) 0;
yyout = (FILE *) 0;
#endif
/* For future reference: Set errno on error, since we are called by
* mimeparser_yylex_init()
*/
return 0;
}
/* mimeparser_yylex_destroy is for both reentrant and non-reentrant scanners. */
int mimeparser_yylex_destroy (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
/* Pop the buffer stack, destroying each element. */
while(YY_CURRENT_BUFFER){
mimeparser_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
YY_CURRENT_BUFFER_LVALUE = NULL;
mimeparser_yypop_buffer_state(yyscanner);
}
/* Destroy the stack itself. */
mimeparser_yyfree(yyg->yy_buffer_stack ,yyscanner);
yyg->yy_buffer_stack = NULL;
/* Destroy the start condition stack. */
mimeparser_yyfree(yyg->yy_start_stack ,yyscanner );
yyg->yy_start_stack = NULL;
mimeparser_yyfree ( yyg->yy_state_buf , yyscanner);
yyg->yy_state_buf = NULL;
/* Reset the globals. This is important in a non-reentrant scanner so the next time
* mimeparser_yylex() is called, initialization will occur. */
yy_init_globals( yyscanner);
/* Destroy the main struct (reentrant only). */
mimeparser_yyfree ( yyscanner , yyscanner );
yyscanner = NULL;
return 0;
}
/*
* Internal utility routines.
*/
#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
{
register int i;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
{
register int n;
for ( n = 0; s[n]; ++n )
;
return n;
}
#endif
void *mimeparser_yyalloc (yy_size_t size , yyscan_t yyscanner)
{
return (void *) malloc( size );
}
void *mimeparser_yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
{
/* The cast to (char *) in the following accommodates both
* implementations that use char* generic pointers, and those
* that use void* generic pointers. It works with the latter
* because both ANSI C and C++ allow castless assignment from
* any pointer type to void*, and deal with argument conversions
* as though doing an assignment.
*/
return (void *) realloc( (char *) ptr, size );
}
void mimeparser_yyfree (void * ptr , yyscan_t yyscanner)
{
free( (char *) ptr ); /* see mimeparser_yyrealloc() for (char *) cast */
}
#define YYTABLES_NAME "yytables"
#line 417 "mimeparser.l"
void reset_lexer_state(void *yyscanner, struct parser_state *pstate)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
struct lexer_state *lstate = &(pstate->lstate);
mimeparser_yyset_extra((void*)lstate,yyscanner);
BEGIN(0);
lstate->header_state = STATE_MAIL;
lstate->lineno = 0;
lstate->current_pos = 1;
lstate->condition = 0;
lstate->is_envelope = 1;
lstate->message_len = 0;
lstate->buffer_length = 0;
/* temporary marker variables */
lstate->body_opaque_start = 0;
lstate->body_start = 0;
lstate->body_end = 0;
lstate->preamble_start = 0;
lstate->preamble_end = 0;
lstate->postamble_start = 0;
lstate->postamble_end = 0;
}
void
PARSER_setbuffer(const char *string, yyscan_t scanner)
{
struct lexer_state *lstate = mimeparser_yyget_extra(scanner);
lstate->message_buffer = string;
mimeparser_yy_scan_string(string,scanner);
}
void
PARSER_setfp(FILE *fp, yyscan_t scanner)
{
/* looks like a bug in bison 2.2a -- the wrong code is generated for mimeparser_yyset_in !! */
struct yyguts_t * yyg = (struct yyguts_t*) scanner;
yyg->yyin_r = fp;
if (0) {
/* This is just to make a compiler warning go away */
yyunput(0, NULL, scanner);
}
}
/**
* Counts how many lines a given string represents in the message (in case of
* folded header values, for example, or a message body).
*/
int
count_lines(char *txt)
{
char *o;
int line;
line = 0;
for (o = txt; *o != '\0'; o++)
if (*o == '\n')
line++;
return line;
}
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