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157 lines
3.8 KiB
157 lines
3.8 KiB
//
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// Simple string testing / manipulation functions, mainly used when
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// building/parsing the config INI files
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//
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#ifndef PLATFORSTR_UTILS_H
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#define PLATFORSTR_UTILS_H
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#include <stdbool.h>
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#include <string.h>
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#include "stringbuilder.h"
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/**
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* Test equality two strings
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*
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* @param str1
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* @param str2
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* @param limit
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* @return
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*/
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static inline bool __attribute__((const))
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streq(const char *restrict str1, const char *restrict str2)
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{
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return strcmp(str1, str2) == 0;
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}
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/**
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* Test equality of two strings, case insensitive
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*
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* @param str1
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* @param str2
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* @param limit
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* @return
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*/
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static inline bool __attribute__((const))
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strcaseq(const char *restrict str1, const char *restrict str2)
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{
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return strcasecmp(str1, str2) == 0;
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}
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/**
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* Test if a string starts with another
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*
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* @param str
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* @param prefix
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* @param limit
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* @return
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*/
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static inline bool __attribute__((const))
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strneq(const char *restrict str, const char *restrict prefix, uint32_t limit)
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{
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return strncmp(str, prefix, limit) == 0;
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}
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/**
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* Test if a string starts with another, case insensitive
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*
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* @param str1
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* @param str2
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* @return match
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*/
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static inline bool __attribute__((const))
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strncaseq(const char *restrict str1, const char *restrict str2, uint32_t limit)
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{
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return strncasecmp(str1, str2, limit) == 0;
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}
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/**
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* Test if a string starts with another
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*
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* @param str
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* @param prefix
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* @return match
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*/
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static inline bool __attribute__((const))
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strstarts(const char *restrict str, const char *restrict prefix)
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{
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return strncmp(str, prefix, strlen(prefix)) == 0;
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}
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/**
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* Get n-th character from the end
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*
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* @param str
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* @param nth - n-th character (1 means last char)
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* @return the char
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*/
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static inline char __attribute__((const))
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last_char_n(const char *str, uint32_t nth)
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{
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return str[strlen(str) - nth];
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}
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/**
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* Get last character of a string
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*
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* @param str
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* @return last char
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*/
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static inline char __attribute__((const))
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last_char(const char *str)
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{
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return str[strlen(str) - 1];
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}
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/** Parse Y/N to bool */
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bool str_parse_yn(const char *str, bool *suc);
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/** Compare string with two options */
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uint8_t str_parse_01(const char *str, const char *a, const char *b, bool *suc);
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/** Compare string with three options */
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uint8_t str_parse_012(const char *str, const char *a, const char *b, const char *c, bool *suc);
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/** Convert number to one of 4 options */
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const char *str_2(uint32_t n,
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uint32_t na, const char *a,
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uint32_t nb, const char *b);
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/** Convert number to one of 4 options */
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const char *str_3(uint32_t n,
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uint32_t na, const char *a,
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uint32_t nb, const char *b,
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uint32_t nc, const char *c);
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/** Convert number to one of 4 options */
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const char *str_4(uint32_t n,
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uint32_t na, const char *a,
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uint32_t nb, const char *b,
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uint32_t nc, const char *c,
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uint32_t nd, const char *d);
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/** Convert string to one of two numeric options */
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uint32_t str_parse_2(const char *tpl,
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const char *a, uint32_t na,
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const char *b, uint32_t nb,
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bool *suc);
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/** Convert string to one of three numeric options */
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uint32_t str_parse_3(const char *tpl,
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const char *a, uint32_t na,
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const char *b, uint32_t nb,
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const char *c, uint32_t nc,
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bool *suc);
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/** Convert string to one of four numeric options */
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uint32_t str_parse_4(const char *tpl,
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const char *a, uint32_t na,
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const char *b, uint32_t nb,
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const char *c, uint32_t nc,
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const char *d, uint32_t nd,
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bool *suc);
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/** Convert bool to a Y or N constant string */
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#define str_yn(cond) ((cond) ? ("Y") : ("N"))
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#endif
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