modified parser to suit new config format
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cc15646a15
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6613bd0707
@ -1,3 +1,6 @@
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#define _POSIX_C_SOURCE 200809L
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#define _DEFAULT_SOURCE
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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@ -6,6 +9,8 @@
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#define ANSI_COLOR_RED "\x1b[31m"
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#define ANSI_COLOR_RESET "\x1b[0m"
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#define parse_failure(str, line) {fprintf(stderr, "Error in config file at line %d: " str "\n", line); exit(EXIT_FAILURE);}
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int main(int argc, char const *argv[])
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{
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if (argc < 2)
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@ -14,41 +19,66 @@ int main(int argc, char const *argv[])
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fd = fopen(argv[1], "r");
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if (!fd)
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return -1;
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for (;;) {
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char *line = NULL;
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for (int linenum = 1;; linenum++) {
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int fuzzy = 0, tmp;
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char *line = NULL, *keys = NULL, *command = NULL;
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size_t linelen = 0;
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if (getline(&line, &linelen, fd) == -1)
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break;
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if (linelen < 2)
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continue;
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printf(ANSI_COLOR_RED "%s\n" ANSI_COLOR_RESET, line);
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/* remove white spaces */
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int inquotes = 0;
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int inapos = 0;
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for (size_t i = 0; i < linelen; i++) {
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if (line[i] == '"' && !inapos)
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inquotes = !inquotes;
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if (line[i] == '\'' && !inquotes)
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inapos = !inapos;
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printf(ANSI_COLOR_RED "Original line:\n%s\n" ANSI_COLOR_RESET, line);
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if (isblank(line[i]) && !(inquotes || inapos)) {
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memmove(&line[i], &line[i + 1], linelen - i);
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i -= i ? 1 : 0;
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}
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}
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if (line[0] == '#')
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continue;
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printf("%s\n", line);
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// Remove leading spaces
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while (isspace(line[0]) && linelen > 1)
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memmove(line, &line[1], --linelen);
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char *token = NULL;
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token = strtok(line, "=");
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if (token)
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printf("%s\n", token);
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token = strtok(NULL, "=");
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if (token)
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printf("%s\n", token);
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// Skip comments and blank lines
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if (line[0] == '#' || !line[0]) {
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free(line);
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continue;
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}
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printf("Valid line:\n%s\n", line);
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// TODO: multiline commands, ending with "\\n"
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// TODO: better error checks in order to remove unnecessary
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// memmoves (line has to begin with cmment or "*-"), etc.
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if (line[0] == '*')
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fuzzy = 1;
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memmove(line, &line[1], --linelen);
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// Remove leading spaces
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while (isspace(line[0]) && linelen > 1)
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memmove(line, &line[1], --linelen);
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keys = strtok(line, ":");
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command = strtok(NULL, ":");
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if (!command || !keys)
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parse_failure("No command or keys specified", linenum);
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// Remove whitespaces in keys
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tmp = strlen(keys);
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for (int i = 0; i < tmp; i++) {
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if (isspace(keys[i])) {
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memmove(&line[i], &line[i + 1], --tmp);
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}
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}
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// Remove leading spaces in command
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tmp = strlen(command);
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while (isspace(command[0]) && tmp > 1)
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memmove(command, &command[1], --tmp);
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int x = 1;
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char *k = strtok(keys, ",");
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do {
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printf("Key %d: %s\n", x++, k);
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} while ((k = strtok(NULL, ",")));
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printf("Command: %s\n", command);
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}
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return 0;
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}
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