Added platform libs

external/3rd/library/platform/utils/Base/Config.cpp

@@ -0,0 +1,179 @@
+#include "Config.h"
+
+//#include <stdlib.h>
+//#include <stdio.h>
+//#include <string.h>
+#include <ctype.h>
+
+#include "Platform.h"
+
+#ifdef EXTERNAL_DISTRO
+namespace NAMESPACE 
+{
+
+#endif
+namespace Base 
+{
+
+//-----------------------------------
+/// Read the config file into memory
+/// Returns true for success
+bool CConfig::LoadFile(char * file)
+//-----------------------------------
+{
+	char ch;
+    FILE * fp;
+
+    UnloadFile();
+	
+    // open file
+	fp = fopen(file, "r");
+	if (fp == NULL || fp == (FILE *)-1)
+	{
+		//fprintf(stderr,"Failed to open config file %s!",file);
+		return false;
+	}
+
+    // get length of file
+	fseek(fp,0,SEEK_END);
+	long length = ftell(fp);
+	rewind(fp);
+
+    // allocate buffer
+	pConfig = new char[length + 1];
+
+	if (pConfig == NULL)
+	{
+		fclose(fp);
+		fprintf(stderr,"Failed to alloc config buffer length %d",(int32)length);
+		return false;
+	}
+	memset(pConfig,0,length);
+
+    // read data, stripping comments
+	int i = 0;
+	while (i < length)
+	{
+		ch = fgetc(fp);
+		if (feof(fp))
+            break;
+        if (ch == '#')
+		{
+			while (ch != 10 && !feof (fp))
+			{
+				ch = fgetc(fp);
+			}
+		}
+		pConfig[i++] = ch;
+	}
+    pConfig[i] = 0; // mark end of file buffer
+
+	fclose(fp);
+    return true;
+}
+
+//-----------------------------------
+/// remove the config file from memory
+void CConfig::UnloadFile(void)
+//-----------------------------------
+{
+	if (pConfig)
+		delete[] pConfig;
+	pConfig = NULL;
+}
+
+//-----------------------------------
+/// finds a key of the config in memory
+// key argument is case-insensitive, but must be upper case in config file
+// Returns true for success (passing NULL is a special case returned as success)
+bool CConfig::FindKey(char *key)
+//-----------------------------------
+{
+	if (pConfig == NULL)
+		return false;
+
+    // special case...continue with existing key
+    if (key == NULL)
+        return true;
+
+    // form the search key
+    strcpy(strBuffer, "[");
+    strcat(strBuffer, key);
+    strcat(strBuffer,"]");
+    _strupr(strBuffer);  // keywords must be upper case
+
+    // find the key heading
+	pCursor = strstr(pConfig,strBuffer);
+	if (pCursor==NULL)
+		return false;
+
+    // find the closing bracket of key heading
+	pCursor = strchr(pCursor,']');
+	if (pCursor==NULL)
+		return false;
+	pCursor++;
+
+    return true;
+}
+
+//-----------------------------------
+/// extract a number from the config string
+// pass the key to find the first number in the list, else NULL to find the next number in the list
+// returns 0 if no number is found, else returns the number
+long CConfig::GetLong(char *key)
+//-----------------------------------
+{
+    if (!FindKey(key))
+		return 0;
+
+
+    // look for start of number or end of key
+	while (*pCursor && !isdigit(*pCursor) && *pCursor != '[')	
+		pCursor++;
+
+	int c = 0;
+	while (*pCursor && isdigit(*pCursor) && c < (int)sizeof(strBuffer))
+		strBuffer[c++] = *(pCursor++);
+	strBuffer[c] = '\0';
+
+	return atol(strBuffer);
+}
+
+//-----------------------------------
+/// extract string (in double-quotes) from the list.
+// pass the key to find the first string in the list, else NULL to find the next string in the list
+// returns NULL if no string found, else returns a temporary copy of the string (without quotes)
+char * CConfig::GetString(char *key)
+//-----------------------------------
+{
+    if (!FindKey(key))
+		return NULL;
+
+
+    // look for start of string or end of key
+	while (*pCursor && *pCursor != '"' && *pCursor != '[')	
+		pCursor++;
+	if (*(pCursor++) != '"')
+		return NULL;
+
+    // until closing quote
+    int c = 0;
+	while (*pCursor && c < (int)sizeof(strBuffer))	
+	{
+		strBuffer[c++] = *pCursor;									// extract string
+		if (*pCursor++ == '"')
+		{
+			strBuffer[--c] = '\0';
+			return strBuffer;
+		}
+	}
+
+	return NULL;
+}
+
+
+};
+#ifdef EXTERNAL_DISTRO
+};
+#endif
+