Experiments/libregex
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Add function prototypes for four basic libregex functions.

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Danila Fedorin 2017-01-05 21:27:07 -08:00
parent 7f370983f2
commit e5219da6fe
1 changed files with 26 additions and 0 deletions
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include/libregex.h
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@ -292,4 +292,30 @@ typedef struct regex_match_s regex_match;
typedef struct regex_result_s regex_result;
typedef struct regex_sim_s regex_sim;
/**
* Clears a node completely, resetting all the values to default.
* @param node the node to clear.
*/
void regex_node_clear(regex_node* node);
/**
* Frees an entire NFA, starting from the given root node.
* @param root the root, or starting node, of the NFA.
*/
void regex_free(regex_node* root);
/**
* Builds a regular expression from the given regular expression strings.
* @param root the root node to build into.
* @param expression the expression to construct the NFA from.
* @return the result of the operation: LIBREGEX_SUCCESS if all goes well, or an error code.
*/
libregex_result regex_build(regex_node** root, char* expression);
/**
* Matches the regular expression against a given string.
* @param root the root of a regular expression NFA
* @param string the string to be matched
* @param result the result to be populated with the data from matching the string.
* @return the result of the operation: LIBREGEX_SUCCESS if all goes well, or an error code.
*/
libregex_result regex_match_string(regex_node* root, char* string, regex_result* result);
#endif