Diff: ConfigFile.cpp

Revision:

1:2c9d412ad471

Parent:

0:7f26f0680202

--- a/ConfigFile.cpp	Fri Dec 31 14:01:14 2010 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,415 +0,0 @@
-/**
- * Configuration file interface class (Version 0.0.1)
- *
- * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
- * http://shinta.main.jp/
- */
-#include "ConfigFile.h"
-
-#define NEWLINE_UNIX "\n"
-#define NEWLINE_DOS "\r\n"
-#define NEWLINE_MAC "\r"
-
-/**
- * Create a configuration file class.
- */
-ConfigFile::ConfigFile() {
-    /*
-     * Allocation for a config_t list.
-     */
-    configlist = (config_t **)malloc(sizeof(config_t *) * MAXCONFIG);
-    for (int i = 0; i < MAXCONFIG; i++) {
-        configlist[i] = NULL;
-    }
-}
-
-/**
- * Destroy a configuration file class.
- */
-ConfigFile::~ConfigFile() {
-    /*
-     * Remove all storage and the contents.
-     */
-    for (int i = 0; i < MAXCONFIG; i++) {
-        config_t *cfg = configlist[i];
-        if (cfg != NULL) {
-            free(cfg->key);
-            free(cfg->value);
-            free(cfg);
-        }
-        configlist[i] = NULL;
-    }
-
-    /*
-     * Remove cnofig_t list.
-     */
-    free(configlist);
-    configlist = NULL;
-}
-
-/**
- * Get a value for a key.
- *
- * @param key A target key name.
- * @param value A pointer to a value storage.
- * @param siz A size of a value storage.
- * @return A value or NULL.
- */
-bool ConfigFile::getValue(char *key, char *value, size_t siz) {
-    /*
-     * Null check.
-     */
-    if (key == NULL) {
-        return false;
-    }
-
-    /*
-     * Search a config_t object from the key.
-     */
-    config_t *p = search(key);
-    if (p == NULL) {
-        return false;
-    }
-
-    /*
-     * Check the storage size.
-     */
-    if (siz <= strlen(p->value)) {
-        return false;
-    }
-
-    /*
-     * Copy the value to the storage.
-     */
-    strcpy(value, p->value);
-    return true;
-}
-
-/**
- * Set a set of a key and value.
- *
- * @param key A key.
- * @param value A value.
- *
- * @return True if it succeed.
- */
-bool ConfigFile::setValue(char *key, char *value) {
-    /*
-     * Null check.
-     */
-    if ((key == NULL) || (value == NULL)) {
-        return false;
-    }
-
-    /*
-     * Size check.
-     */
-    if ((MAXLEN_KEY < strlen(key)) || (MAXLEN_VALUE < strlen(value))) {
-        return false;
-    }
-
-    /*
-     * Search a config_t object from the key.
-     */
-    config_t *p = search(key);
-    if (p == NULL) {
-        /*
-         * Allocation a memory for a new key.
-         */
-        char *k = (char *)malloc(sizeof(char) * (strlen(key) + 1));
-        if (k == NULL) {
-            return false;
-        }
-        strcpy(k, key);
-
-        /*
-         * Allocation a memory for a new value.
-         */
-        char *v = (char *)malloc(sizeof(char) * (strlen(value) + 1));
-        if (v == NULL) {
-            free(k);
-            return false;
-        }
-        strcpy(v, value);
-
-        /*
-         * Allocation a memory for a new configuration.
-         */
-        config_t *cfg = (config_t *)malloc(sizeof(config_t) * 1);
-        if (cfg == NULL) {
-            free(k);
-            free(v);
-            return false;
-        }
-        cfg->key = k;
-        cfg->value = v;
-
-        /*
-         * Add the new configuration.
-         */
-        if (!add(cfg)) {
-            free(k);
-            free(v);
-            free(cfg);
-            return false;
-        }
-
-        return true;
-    } else {
-        /*
-         * The value is same.
-         */
-        if (strcmp(value, p->value) == 0) {
-            return true;
-        }
-
-        /*
-         * Free a memory for the value.
-         */
-        free(p->value);
-        p->value = NULL;
-
-        /*
-         * Allocation memory for the new value.
-         */
-        char *v = (char *)malloc(sizeof(char) * (strlen(value) + 1));
-        if (v == NULL) {
-            return false;
-        }
-
-        /*
-         * Store it.
-         */
-        strcpy(v, value);
-        p->value = v;
-
-        return true;
-    }
-}
-
-/**
- * Remove a config.
- *
- * @param key A key.
- *
- * @return True if it succeed.
- */
-bool ConfigFile::remove(char *key) {
-    if (key == NULL) {
-        return false;
-    }
-    for (int i = 0; i < MAXCONFIG; i++) {
-        config_t *cfg = configlist[i];
-        if (cfg != NULL) {
-            if (strcmp(cfg->key, key) == 0) {
-                free(cfg->key);
-                free(cfg->value);
-                free(cfg);
-                configlist[i] = NULL;
-                return true;
-            }
-        }
-    }
-    return false;
-}
-
-/**
- * Remove all config.
- *
- * @return True if it succeed.
- */
-bool ConfigFile::removeAll(void) {
-    for (int i = 0; i < MAXCONFIG; i++) {
-        config_t *p = configlist[i];
-        if (p != NULL) {
-            free(p->key);
-            free(p->value);
-        }
-        free(p);
-        configlist[i] = NULL;
-    }
-    return true;
-}
-
-/**
- * Get a number of configuration sets.
- *
- * @return number of configuration sets.
- */
-int ConfigFile::getCount() {
-    int cnt = 0;
-    for (int i = 0; i < MAXCONFIG; i++) {
-        config_t *p = configlist[i];
-        if (p != NULL) {
-            cnt++;
-        }
-    }
-    return cnt;
-}
-
-/**
- * Get a key and a value.
- *
- * @param index Index number of this list.
- * @param key A pointer to a buffer for key.
- * @param keybufsiz A size of the key buffer.
- * @param value A pointer to a buffer for value.
- * @param valuebufsiz A size of the value buffer.
- *
- * @return true if it succeed.
- */
-bool ConfigFile::getKeyAndValue(int index, char *key, size_t keybufsiz, char *value, size_t valuebufsiz) {
-    int cnt = 0;
-    for (int i = 0; i < MAXCONFIG; i++) {
-        config_t *p = configlist[i];
-        if (p != NULL) {
-            if (cnt == index) {
-                if ((strlen(p->key) < keybufsiz) && (strlen(p->value) < valuebufsiz)) {
-                    strcpy(key, p->key);
-                    strcpy(value, p->value);
-                    return true;
-                }
-                return false;
-            }
-            cnt++;
-        }
-    }
-    return false;
-}
-
-/**
- * Read from the target file.
- *
- * @param file A target file name.
- */
-bool ConfigFile::read(char *file) {
-    /*
-     * Open the target file.
-     */
-    FILE *fp = fopen(file, "r");
-    if (fp == NULL) {
-        return false;
-    }
-
-    /*
-     * Remove all configuration.
-     */
-    removeAll();
-
-    /*
-     * Read from a file.
-     */
-    char buf[MAXLEN_KEY + 8 + MAXLEN_VALUE];
-    while (fgets(buf, sizeof(buf), fp) != NULL) {
-        /*
-         * Ignore a comment.
-         */
-        if (buf[0] == '#') {
-            continue;
-        }
-
-        /*
-         * Trim a return.
-         */
-        const size_t len = strlen(buf);
-        for (int i = 0; i < len; i++) {
-            if ((buf[i] == '\r') || (buf[i] == '\n')) {
-                buf[i] = '\0';
-            }
-        }
-
-        /*
-         * Separate key and value.
-         */
-        char k[MAXLEN_KEY];
-        char v[MAXLEN_VALUE];
-        char *sp = strchr(buf, SEPARATOR);
-        if (sp != NULL) {
-            strcpy(v, sp + 1);
-            *sp = '\0';
-            strcpy(k, buf);
-            setValue(k, v);
-        }
-    }
-    fclose(fp);
-    return true;
-}
-
-/**
- * Write from the target file.
- *
- * @param file A pointer to a file name.
- * @param header A pointer to a header.
- * @param ff File format.
- */
-bool ConfigFile::write(char *file, char *header, FileFormat ff) {
-    /*
-     * Open the target file.
-     */
-    FILE *fp = fopen(file, "w");
-    if (fp == NULL) {
-        return false;
-    }
-
-    /*
-     * Set a type of new line.
-     */
-    char *newline = NEWLINE_UNIX;
-    switch (ff) {
-        case UNIX:
-            newline = NEWLINE_UNIX;
-            break;
-        case MAC:
-            newline = NEWLINE_MAC;
-            break;
-        case DOS:
-            newline = NEWLINE_DOS;
-            break;
-        default:
-            newline = NEWLINE_UNIX;
-            break;
-    }
-
-    /*
-     * Write the header.
-     */
-    if (header != NULL) {
-        fprintf(fp, "%s%s", header, newline);
-    }
-
-    /*
-     * Write the data.
-     */
-    for (int i = 0; i < MAXCONFIG; i++) {
-        config_t *cfg = configlist[i];
-        if (cfg != NULL) {
-            fprintf(fp, "%s=%s%s", cfg->key, cfg->value, newline);
-        }
-    }
-    fclose(fp);
-    return true;
-}
-
-ConfigFile::config_t *ConfigFile::search(char *key) {
-    if (key == NULL) {
-        return NULL;
-    }
-    for (int i = 0; i < MAXCONFIG; i++) {
-        if (configlist[i] != NULL) {
-            if (strcmp(configlist[i]->key, key) == 0) {
-                return configlist[i];
-            }
-        }
-    }
-    return NULL;
-}
-
-bool ConfigFile::add(config_t *cfg) {
-    for (int i = 0; i < MAXCONFIG; i++) {
-        if (configlist[i] == NULL) {
-            configlist[i] = cfg;
-            return true;
-        }
-    }
-    return false;
-}
\ No newline at end of file