添加视频压缩代码

others/C/video_compression/src/config.c

@@ -0,0 +1,127 @@
+#include "config.h"
+#include "string_utils.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_CONFIG_SIZE 1024
+
+typedef struct ConfigEntry {
+    char* key;
+    char* value;
+    struct ConfigEntry* next;
+} ConfigEntry;
+
+static ConfigEntry* config_list = NULL;
+
+static ConfigEntry* config_find_entry(const char* key) {
+    ConfigEntry* entry = config_list;
+    while (entry != NULL) {
+        if (strcmp(entry->key, key) == 0) {
+            return entry;
+        }
+        entry = entry->next;
+    }
+    return NULL;
+}
+
+bool config_load(const char* config_file) {
+    FILE* file = fopen(config_file, "r");
+    if (file == NULL) {
+        return false;
+    }
+
+    char line[MAX_CONFIG_SIZE];
+    while (fgets(line, sizeof(line), file) != NULL) {
+        // 去除注释和空白行
+        char* comment = strchr(line, '#');
+        if (comment != NULL) {
+            *comment = '\0';
+        }
+
+        str_trim(line);
+        if (strlen(line) == 0) {
+            continue;
+        }
+
+        // 解析键值对
+        char* separator = strchr(line, '=');
+        if (separator == NULL) {
+            continue;
+        }
+
+        *separator = '\0';
+        char* key = str_trim(line);
+        char* value = str_trim(separator + 1);
+
+        // 添加到配置列表
+        config_set_string(key, value);
+    }
+
+    fclose(file);
+    return true;
+}
+
+bool config_save(const char* config_file) {
+    FILE* file = fopen(config_file, "w");
+    if (file == NULL) {
+        return false;
+    }
+
+    ConfigEntry* entry = config_list;
+    while (entry != NULL) {
+        fprintf(file, "%s=%s\n", entry->key, entry->value);
+        entry = entry->next;
+    }
+
+    fclose(file);
+    return true;
+}
+
+const char* config_get_string(const char* key, const char* default_value) {
+    ConfigEntry* entry = config_find_entry(key);
+    if (entry != NULL) {
+        return entry->value;
+    }
+    return default_value;
+}
+
+int config_get_int(const char* key, int default_value) {
+    const char* str = config_get_string(key, NULL);
+    if (str != NULL) {
+        return atoi(str);
+    }
+    return default_value;
+}
+
+bool config_get_bool(const char* key, bool default_value) {
+    const char* str = config_get_string(key, NULL);
+    if (str != NULL) {
+        return strcmp(str, "true") == 0 || strcmp(str, "1") == 0;
+    }
+    return default_value;
+}
+
+void config_set_string(const char* key, const char* value) {
+    ConfigEntry* entry = config_find_entry(key);
+    if (entry != NULL) {
+        free(entry->value);
+        entry->value = strdup(value);
+    } else {
+        entry = malloc(sizeof(ConfigEntry));
+        entry->key = strdup(key);
+        entry->value = strdup(value);
+        entry->next = config_list;
+        config_list = entry;
+    }
+}
+
+void config_set_int(const char* key, int value) {
+    char str[32];
+    snprintf(str, sizeof(str), "%d", value);
+    config_set_string(key, str);
+}
+
+void config_set_bool(const char* key, bool value) {
+    config_set_string(key, value ? "true" : "false");
+}