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57 lines
1.5 KiB
57 lines
1.5 KiB
8 years ago
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#include <stdio.h>
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#include <string.h>
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#include "commands.h"
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#include "config.h"
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#include "list.h"
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#include "stringop.h"
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// sort in order of longest->shortest
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static int compare_set_qsort(const void *_l, const void *_r) {
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struct sway_variable const *l = *(void **)_l;
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struct sway_variable const *r = *(void **)_r;
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return strlen(r->name) - strlen(l->name);
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}
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struct cmd_results *cmd_set(int argc, char **argv) {
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char *tmp;
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int size;
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struct cmd_results *error = NULL;
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if (!config->reading) return cmd_results_new(CMD_FAILURE, "set", "Can only be used in config file.");
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if ((error = checkarg(argc, "set", EXPECTED_AT_LEAST, 2))) {
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return error;
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}
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if (argv[0][0] != '$') {
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sway_log(L_INFO, "Warning: variable '%s' doesn't start with $", argv[0]);
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size = asprintf(&tmp, "%s%s", "$", argv[0]);
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if (size == -1) {
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return cmd_results_new(CMD_FAILURE, "set", "Not possible to create variable $'%s'", argv[0]);
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}
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argv[0] = strdup(tmp);
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free(tmp);
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}
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struct sway_variable *var = NULL;
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// Find old variable if it exists
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int i;
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for (i = 0; i < config->symbols->length; ++i) {
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var = config->symbols->items[i];
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if (strcmp(var->name, argv[0]) == 0) {
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break;
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}
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var = NULL;
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}
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if (var) {
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free(var->value);
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} else {
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var = malloc(sizeof(struct sway_variable));
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var->name = strdup(argv[0]);
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list_add(config->symbols, var);
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list_qsort(config->symbols, compare_set_qsort);
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}
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var->value = join_args(argv + 1, argc - 1);
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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