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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stdbool.h> |
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#include "stdint.h" |
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#include <string.h> |
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#include <ctype.h> |
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#include "inifile.h" |
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#include "Inifile_Reader.h" |
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|
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bool inifile_read(char* filename, inifile_callback callback) |
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static char* strtrim(char* string) |
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{ |
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while (isspace(*string)) |
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string++; |
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for (int i = strlen(string) - 1; i >= 0; i--) |
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{ |
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if (isspace(string[i])) |
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{ |
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string[i] = 0; |
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} |
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else |
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{ |
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break; |
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} |
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} |
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return string; |
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} |
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|
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static char* newlines(char* string) |
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{ |
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for (char* i = string + strlen(string) - 1; i >= string; i--) |
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{ |
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if ((*i == '\\') && (*(i+1) == 'n')) |
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{ |
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*i = '\n'; |
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memmove(i+1, i+2, strlen(i+1)); |
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} |
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} |
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return string; |
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} |
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|
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bool Inifile_Read(const char* filename, inifile_callback callback) |
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{ |
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FILE* fp = fopen(filename, "r"); |
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char* inisection = ""; |
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|
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char inisection[30] = ""; |
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char option[30] = ""; |
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char value[200] = ""; |
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|
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char readbuf[4096] = ""; |
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char* readptr; |
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bool success = true; |
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bool newsection = false; |
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if (!fp) |
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return inifile_cantread; |
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return false; |
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while ((readptr = fgets(readbuf, sizeof(readbuf), fp))) // Loop through each line. |
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{ |
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while (isspace(readptr[0])) // Skip whitespace. |
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readptr++; |
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|
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|
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if (readptr[0] == '\0' || readptr[0] == '#' || readptr[0] == '!') // Skip empty lines and comments. |
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continue; |
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else if (readptr[0] == '[' && readptr[1] != ']') // It's a section header. |
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|
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if (sscanf(readptr, "[%[^]]]", inisection) == 1) |
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{ |
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int i; |
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for (i = 2; readptr[i]; i ++) // Look for the ] |
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if (readptr[i] == ']') |
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break; |
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|
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if (readptr[i]) // Replace with a null or crash with error. |
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readptr[i] = '\0'; |
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else |
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{ |
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success = false; |
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break; |
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} |
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|
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if (inisection[0]) |
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free(inisection); |
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inisection = strdup(readptr + 1); |
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newsection = true; |
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} |
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else // It's a value. |
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{ |
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int i; |
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int equals = 0; |
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for (i = 0; readptr[i]; i ++) // Find the = |
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if (readptr[i] == '=') |
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equals = i; |
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|
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if (readptr[i - 1] == '\n') |
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readptr[i - 1] = '\0'; // Remove the trailing newline. |
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|
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if (equals) // If there's no equals, crash with error. |
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{ |
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readptr[equals] = '\0'; |
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if (!callback(inisection, newsection, readptr, readptr + equals + 1)) // If the callback is false, exit. |
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break; |
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newsection = false; |
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} |
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else |
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{ |
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success = false; |
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break; |
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} |
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} |
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else if (sscanf(readptr, "%[^=]=%[^\n]", option, value) == 2) |
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{ |
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callback(inisection, strtrim(option), newlines(strtrim(value))); |
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} |
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else |
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{ |
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success = false; |
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} |
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} |
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if (inisection[0]) |
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free(inisection); |
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fclose(fp); |
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return success; |
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} |
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