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gex-core/utils/str_utils.h

150 lines
3.5 KiB

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