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aco: Create ways to minimize use of regex.

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ACO uses regex in many situations where it is completely unneeded.  In
some cases this doubles the total processing performed by
aco_process_config.

* Create ACO_IGNORE category type for use in place of skip_category
  regex source string.
* Create additional aco_category_op values to allow specifying category
  filter using either a single plain string or a NULL terminated array
  of plain strings.
* Create ACO_PREFIX to allow matching option names to case insensitive
  prefixes.

Change-Id: I66a920dcd8e2b0301f73f968016440a985e72821
This commit is contained in:
Corey Farrell
2017-12-12 13:36:39 -05:00
parent 7377927b18
commit 7413bcbeb5
2 changed files with 92 additions and 9 deletions
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14
include/asterisk/config_options.h
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@@ -40,18 +40,30 @@ struct aco_type_internal;
enum aco_type_t {
ACO_GLOBAL,
ACO_ITEM,
ACO_IGNORE,
};
/*! \brief Whether a category regex is a blackist or a whitelist */
/*! Type of category matching to perform */
enum aco_category_op {
/*! Regex based blacklist. */
ACO_BLACKLIST = 0,
/*! Regex based whitelist. */
ACO_WHITELIST,
/*! Blacklist with a single string matched with strcasecmp. */
ACO_BLACKLIST_EXACT,
/*! Whitelist with a single string matched with strcasecmp. */
ACO_WHITELIST_EXACT,
/*! Blacklist with a NULL terminated array of strings matched with strcasecmp. */
ACO_BLACKLIST_ARRAY,
/*! Whitelist with a NULL terminated array of strings matched with strcasecmp. */
ACO_WHITELIST_ARRAY,
};
/*! \brief What kind of matching should be done on an option name */
enum aco_matchtype {
ACO_EXACT = 1,
ACO_REGEX,
ACO_PREFIX,
};
/*! Callback functions for option parsing via aco_process_config() */