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/*****************************strlist.h***************************/
#ifndef DS_STRING_LIST_H_ #define DS_STRING_LIST_H_ struct strlist_node { char key_[64]; //Store the data as key char value_[64]; //the value struct strlist_node* next; //struct strlist* prev; }; struct strlist { int size_; struct strlist_node* head_; }; struct strlist* strlist_create (); void strlist_destroy (struct strlist* list); int strlist_add (struct strlist* list, char const* d); int strlist_add2 (struct strlist* list, char const* key, char const* value); int strlist_remove (struct strlist* list, const char* key); int strlist_size (struct strlist* list); void strlist_clear (struct strlist* list); ///Get value of special item, if it is not existed return NULL char const* strlist_value (struct strlist* list, char const* key); #ifdef _DEBUG void strlist_print (); #endif #endif </p> <p> /****************************strlist.c******************************/ #include <stdlib.h> #include <string.h> #include <stdio.h> #include "strlist.h" #include "common.h" ///define TRACE macro struct strlist* strlist_create () { struct strlist* list = (struct strlist*) malloc (sizeof (struct strlist)); list->size_ = 0; list->head_ = NULL; return list; } void strlist_destroy (struct strlist* list) { strlist_clear (list); free (list); } int strlist_add (struct strlist* list, char const* d) { char* key = NULL; char* ret = NULL; if (NULL == list) return 0; ret = strchr (d, ':'); if (ret == d || ret == NULL || *(++ret) == 0) ///Invalid datum format ignore it return 0; key = (char*) malloc (ret - d); strncpy (key, d, ret - d - 1); strlist_remove (list, key); struct strlist_node* node = (struct strlist_node*) malloc (sizeof (struct strlist_node)); memset (node->key_, 0, 64); memset (node->value_, 0, 64); strncpy (node->key_, key, ret - d - 1); strcpy (node->value_, ret); TRACEN ("nAdd key : %snand value: %sn", node->key_, node->value_); node->next = NULL; free (key); if (NULL == list->head_) { list->head_ = node; list->size_ = 1; return list->size_; } node->next = list->head_; list->head_ = node; ++(list->size_); return list->size_; } int strlist_add2 (struct strlist* list, char const* key, char const* value) { if (NULL == list) return 0; strlist_remove (list, key); struct strlist_node* node = (struct strlist_node*) malloc (sizeof (struct strlist_node)); memset (node->key_, 0, 64); memset (node->value_, 0, 64); strcpy (node->key_, key); strcpy (node->value_, value); node->next = NULL; if (NULL == list->head_) { list->head_ = node; list->size_ = 1; return list->size_; } node->next = list->head_; list->head_ = node; ++(list->size_); return list->size_; } int strlist_remove (struct strlist* list, char const* key) { if (NULL == list || NULL == list->head_) return -1; struct strlist_node* work = list->head_; struct strlist_node* prev = work; while (work != NULL) { if (strcmp (work->key_, key) == 0) { break; } prev = work; work = work->next; } if (NULL == work) return -1; prev->next = work->next; if (work == list->head_) list->head_ = work->next; free (work); return --(list->size_); } int strlist_size (struct strlist* list) { return list->size_; } void strlist_clear (struct strlist* list) { struct strlist_node* work = list->head_; while (work != NULL) { TRACE; struct strlist_node* p = work; work = work->next; free (p); } list->head_ = NULL; list->size_ = 0; } char const* strlist_value (struct strlist* list, char const* key) { if (NULL == list || NULL == list->head_) return NULL; struct strlist_node* work = list->head_; while (work != NULL) { if (strcmp (work->key_, key) == 0) { return work->value_; } work = work->next; } return NULL; } #ifdef _DEBUG void strlist_print (struct strlist* list) { TRACE; if (NULL == list || NULL == list->head_) return; fprintf (stderr, "list's size is %dn", list->size_); struct strlist_node* work = list->head_; while (work != NULL) { fprintf (stderr, "%s = %sn", work->key_, work->value_); work = work->next; } } #endif </p> 下面是读取,解析文件部分 <p> /*******************read_config.h********************/ #ifndef DS_CONFIG_HANDLE_H_ #define DS_CONFIG_HANDLE_H_ #include <stdlib.h> int config_load (char const* filename); void config_clean (); char const* config_string (char const* section, char const* key); int config_integer (char const* section, char const* key); float config_float (char const* section, char const* key); //int config_save (char const* filename); #endif //DS_CONFIG_HANDLE_H_ </p> <p> /***********************read_config.c************************/ #include "config_reader.h" #include "strlist.h" #include <stdio.h> #include <string.h> #include "common.h" struct strlist* config_list = NULL; char section[32]; int process_line (char key[], char value[], char const* line); int config_load (char const* filename) { char* buf_ = NULL; int read_ = 0; int size_ = 256; char* config_pos; char* config_offset; char line[100]; char key[32]; char value[64]; int count = 0; if (NULL == filename) return -1; FILE* file = fopen (filename, "r"); if (NULL == file) return -1; ///Read file into memory do { if (NULL != buf_) free (buf_); size_ *= 2; buf_ = (char*) malloc (size_); rewind (file); read_ = fread (buf_, 1, size_, file); } while (read_ >= size_); TRACE1 ("Read the file finished"); fclose (file); config_pos = buf_; config_offset = buf_; ///parse the config file now config_list = strlist_create (); while (*config_offset != 0) { if (*config_pos == 'n' || *config_pos == 0) { memset (line, 0, sizeof (line)); strncpy (line, config_offset, config_pos - config_offset); TRACE1 (line); if (process_line (key, value, line)) { TRACE; ++count; char tk[64]; sprintf (tk, "%s-%s", section, key); strlist_add2 (config_list, tk, value); } config_offset = config_pos + 1; } ++config_pos; } free (buf_); #ifdef _DEBUG strlist_print (config_list); #endif return count; } int process_line (char key[], char value[], char const* line) { char buf[100]; char* r; char* w; memset (buf, 0, sizeof (buf)); strcpy (buf, line); memset (key, 0, 32); memset (value, 0, 64); r = buf; while (*r != 0) { if (*r == ';') break; ++r; } while (*r != 0) *r++ = 0; r = buf; w = key; while (*r != 0) { if (*r == '=') break; //if (*r = ';' && w == key) ///If the first non space character is ';', the line is comment //return 0; if (*r != ' ') *w++ = *r; ++r; } TRACE1 (key); --w; if (*key == '[' && *(key + strlen (key) - 1) == ']') { memset (section, 0, 64); w = key; strncpy (section, key + 1, strlen (key) - 2); return 0; } ++r; while (*r != 0) { if (*r == ' ') ++r; else break; } strcpy (value, r); if (strlen (key) > 0 && strlen (value) > 0) return 1; return 0; } void config_clean () { strlist_destroy (config_list); } char const* config_string (char const* section, char const* key) { char tk[64]; sprintf (tk, "%s-%s", section, key); return strlist_value (config_list, tk); } int config_integer (char const* section, char const* key) { char tk[64]; sprintf (tk, "%s-%s", section, key); return atoi (strlist_value (config_list, tk)); } float config_float (char const* section, char const* key) { char tk[64]; sprintf (tk, "%s-%s", section, key); return atof (strlist_value (config_list, tk)); } //int config_save (char const* filename) //{转载地址:http://ivcdi.baihongyu.com/