mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-10 10:41:50 +00:00
Add rxi's ini sources.
https://github.com/rxi/ini 13a254c9e38def8924a83badfea5eda5a01b9295
This commit is contained in:
Bartosz Taudul
parent
9443544d80
commit
2c227af4f3
274
profiler/src/ini.c
Normal file
274
profiler/src/ini.c
Normal file
@ -0,0 +1,274 @@
|
||||
/**
|
||||
* Copyright (c) 2016 rxi
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
|
||||
#include "ini.h"
|
||||
|
||||
struct ini_t {
|
||||
char *data;
|
||||
char *end;
|
||||
};
|
||||
|
||||
|
||||
/* Case insensitive string compare */
|
||||
static int strcmpci(const char *a, const char *b) {
|
||||
for (;;) {
|
||||
int d = tolower(*a) - tolower(*b);
|
||||
if (d != 0 || !*a) {
|
||||
return d;
|
||||
}
|
||||
a++, b++;
|
||||
}
|
||||
}
|
||||
|
||||
/* Returns the next string in the split data */
|
||||
static char* next(ini_t *ini, char *p) {
|
||||
p += strlen(p);
|
||||
while (p < ini->end && *p == '\0') {
|
||||
p++;
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
static void trim_back(ini_t *ini, char *p) {
|
||||
while (p >= ini->data && (*p == ' ' || *p == '\t' || *p == '\r')) {
|
||||
*p-- = '\0';
|
||||
}
|
||||
}
|
||||
|
||||
static char* discard_line(ini_t *ini, char *p) {
|
||||
while (p < ini->end && *p != '\n') {
|
||||
*p++ = '\0';
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
|
||||
static char *unescape_quoted_value(ini_t *ini, char *p) {
|
||||
/* Use `q` as write-head and `p` as read-head, `p` is always ahead of `q`
|
||||
* as escape sequences are always larger than their resultant data */
|
||||
char *q = p;
|
||||
p++;
|
||||
while (p < ini->end && *p != '"' && *p != '\r' && *p != '\n') {
|
||||
if (*p == '\\') {
|
||||
/* Handle escaped char */
|
||||
p++;
|
||||
switch (*p) {
|
||||
default : *q = *p; break;
|
||||
case 'r' : *q = '\r'; break;
|
||||
case 'n' : *q = '\n'; break;
|
||||
case 't' : *q = '\t'; break;
|
||||
case '\r' :
|
||||
case '\n' :
|
||||
case '\0' : goto end;
|
||||
}
|
||||
|
||||
} else {
|
||||
/* Handle normal char */
|
||||
*q = *p;
|
||||
}
|
||||
q++, p++;
|
||||
}
|
||||
end:
|
||||
return q;
|
||||
}
|
||||
|
||||
|
||||
/* Splits data in place into strings containing section-headers, keys and
|
||||
* values using one or more '\0' as a delimiter. Unescapes quoted values */
|
||||
static void split_data(ini_t *ini) {
|
||||
char *value_start, *line_start;
|
||||
char *p = ini->data;
|
||||
|
||||
while (p < ini->end) {
|
||||
switch (*p) {
|
||||
case '\r':
|
||||
case '\n':
|
||||
case '\t':
|
||||
case ' ':
|
||||
*p = '\0';
|
||||
/* Fall through */
|
||||
|
||||
case '\0':
|
||||
p++;
|
||||
break;
|
||||
|
||||
case '[':
|
||||
p += strcspn(p, "]\n");
|
||||
*p = '\0';
|
||||
break;
|
||||
|
||||
case ';':
|
||||
p = discard_line(ini, p);
|
||||
break;
|
||||
|
||||
default:
|
||||
line_start = p;
|
||||
p += strcspn(p, "=\n");
|
||||
|
||||
/* Is line missing a '='? */
|
||||
if (*p != '=') {
|
||||
p = discard_line(ini, line_start);
|
||||
break;
|
||||
}
|
||||
trim_back(ini, p - 1);
|
||||
|
||||
/* Replace '=' and whitespace after it with '\0' */
|
||||
do {
|
||||
*p++ = '\0';
|
||||
} while (*p == ' ' || *p == '\r' || *p == '\t');
|
||||
|
||||
/* Is a value after '=' missing? */
|
||||
if (*p == '\n' || *p == '\0') {
|
||||
p = discard_line(ini, line_start);
|
||||
break;
|
||||
}
|
||||
|
||||
if (*p == '"') {
|
||||
/* Handle quoted string value */
|
||||
value_start = p;
|
||||
p = unescape_quoted_value(ini, p);
|
||||
|
||||
/* Was the string empty? */
|
||||
if (p == value_start) {
|
||||
p = discard_line(ini, line_start);
|
||||
break;
|
||||
}
|
||||
|
||||
/* Discard the rest of the line after the string value */
|
||||
p = discard_line(ini, p);
|
||||
|
||||
} else {
|
||||
/* Handle normal value */
|
||||
p += strcspn(p, "\n");
|
||||
trim_back(ini, p - 1);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
ini_t* ini_load(const char *filename) {
|
||||
ini_t *ini = NULL;
|
||||
FILE *fp = NULL;
|
||||
int n, sz;
|
||||
|
||||
/* Init ini struct */
|
||||
ini = malloc(sizeof(*ini));
|
||||
if (!ini) {
|
||||
goto fail;
|
||||
}
|
||||
memset(ini, 0, sizeof(*ini));
|
||||
|
||||
/* Open file */
|
||||
fp = fopen(filename, "rb");
|
||||
if (!fp) {
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* Get file size */
|
||||
fseek(fp, 0, SEEK_END);
|
||||
sz = ftell(fp);
|
||||
rewind(fp);
|
||||
|
||||
/* Load file content into memory, null terminate, init end var */
|
||||
ini->data = malloc(sz + 1);
|
||||
ini->data[sz] = '\0';
|
||||
ini->end = ini->data + sz;
|
||||
n = fread(ini->data, 1, sz, fp);
|
||||
if (n != sz) {
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* Prepare data */
|
||||
split_data(ini);
|
||||
|
||||
/* Clean up and return */
|
||||
fclose(fp);
|
||||
return ini;
|
||||
|
||||
fail:
|
||||
if (fp) fclose(fp);
|
||||
if (ini) ini_free(ini);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
void ini_free(ini_t *ini) {
|
||||
free(ini->data);
|
||||
free(ini);
|
||||
}
|
||||
|
||||
|
||||
const char* ini_get(ini_t *ini, const char *section, const char *key) {
|
||||
char *current_section = "";
|
||||
char *val;
|
||||
char *p = ini->data;
|
||||
|
||||
if (*p == '\0') {
|
||||
p = next(ini, p);
|
||||
}
|
||||
|
||||
while (p < ini->end) {
|
||||
if (*p == '[') {
|
||||
/* Handle section */
|
||||
current_section = p + 1;
|
||||
|
||||
} else {
|
||||
/* Handle key */
|
||||
val = next(ini, p);
|
||||
if (!section || !strcmpci(section, current_section)) {
|
||||
if (!strcmpci(p, key)) {
|
||||
return val;
|
||||
}
|
||||
}
|
||||
p = val;
|
||||
}
|
||||
|
||||
p = next(ini, p);
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
int ini_sget(
|
||||
ini_t *ini, const char *section, const char *key,
|
||||
const char *scanfmt, void *dst
|
||||
) {
|
||||
const char *val = ini_get(ini, section, key);
|
||||
if (!val) {
|
||||
return 0;
|
||||
}
|
||||
if (scanfmt) {
|
||||
sscanf(val, scanfmt, dst);
|
||||
} else {
|
||||
*((const char**) dst) = val;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
20
profiler/src/ini.h
Normal file
20
profiler/src/ini.h
Normal file
@ -0,0 +1,20 @@
|
||||
/**
|
||||
* Copyright (c) 2016 rxi
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the MIT license. See `ini.c` for details.
|
||||
*/
|
||||
|
||||
#ifndef INI_H
|
||||
#define INI_H
|
||||
|
||||
#define INI_VERSION "0.1.1"
|
||||
|
||||
typedef struct ini_t ini_t;
|
||||
|
||||
ini_t* ini_load(const char *filename);
|
||||
void ini_free(ini_t *ini);
|
||||
const char* ini_get(ini_t *ini, const char *section, const char *key);
|
||||
int ini_sget(ini_t *ini, const char *section, const char *key, const char *scanfmt, void *dst);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user