first commit

CS4210/Project 2/common/config_parser/parser.c

@@ -0,0 +1,85 @@
+#include "parser.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+static char* getNextLine(char arr[160], FILE* stream) {
+    while (fgets(arr, 160, stream)) {
+        if (arr[0] == '#' || !isalnum(arr[0])) {
+            continue;
+        } else {
+            return arr;
+        }
+    }
+    return NULL;
+}
+
+
+/*
+ * Load fileName and return a FILE*
+ */
+ConfigFile* loadFile(char* fileName) {
+    ConfigFile* newConfig = NULL;
+
+    newConfig = malloc(sizeof(ConfigFile));
+    if (!newConfig) {
+        printf("Memory Allocation Failed in _FILE_ line: _LINE_\n");
+        return NULL;
+    }
+
+    newConfig->file = fopen(fileName, "r");
+
+	if (!newConfig->file) {
+		free(newConfig);
+        printf("Failed to Open File in _FILE_: _LINE_\n");
+        return NULL;
+	}
+
+    return newConfig;
+}
+
+/*
+ *
+ */
+void releaseConfig(ConfigFile** configFile) {
+    
+    if (!configFile) {
+        return;
+    }
+    if ((*configFile)->file) {
+        fclose((*configFile)->file);
+    }
+    free(*configFile);
+    *configFile = NULL;
+}
+
+/*
+ *
+ */
+int nextSet(ConfigFile* config) {
+    char temp[160];
+    char* pc;
+    int i;
+
+    if (!getNextLine(temp, config->file)) {
+        return 0;
+    }
+
+    pc = strtok(temp,":");
+    
+    strncpy(config->currentParamter, pc, 80);
+    
+    pc = strtok(NULL,":");
+
+    for (i=0; pc[i] != '\0'; i++) {
+        if (isspace(pc[i])) {
+            pc[i] = '\0';
+            break;
+        }
+    }
+
+    strncpy(config->currentValue, pc, 80);
+
+    return 1;   
+}