游戏引擎

开发平台：
Visual C++

hgestrings.cpp：源码内容
							/*
** Haaf's Game Engine 1.7
** Copyright (C) 2003-2007, Relish Games
** hge.relishgames.com
**
** hgeStringTable helper class implementation
*/
#include "....includehgestrings.h"
#include <ctype.h>
const char STRHEADERTAG[]="[HGESTRINGTABLE]";
const char STRFORMATERROR[]="String table %s has incorrect format.";
HGE *hgeStringTable::hge=0;
hgeStringTable::hgeStringTable(const char *filename)
{
	int i;
	void *data;
	DWORD size;
	char *desc, *pdesc;
	NamedString *str;
	char str_name[MAXSTRNAMELENGTH];
	char *str_value, *pvalue;
	
	hge=hgeCreate(HGE_VERSION);
	strings=0;
	// load string table file
	data=hge->Resource_Load(filename, &size);
	if(!data) return;
	desc = new char[size+1];
	memcpy(desc,data,size);
	desc[size]=0;
	hge->Resource_Free(data);
	// check header
	if(memcmp(desc, STRHEADERTAG, sizeof(STRHEADERTAG)-1))
	{
		hge->System_Log(STRFORMATERROR, filename);
		delete[] desc;	
		return;
	}
	pdesc=desc+sizeof(STRHEADERTAG);
	str_value=new char[8192];
	for(;;)
	{
		// skip whitespaces
		while(isspace(*pdesc)) pdesc++;
		if(!*pdesc) break;
		// skip comments
		if(*pdesc==';')
		{
			while(*pdesc && *pdesc != 'n') pdesc++;
			pdesc++;
			continue;
		}
		// get string name -> str_name
		i=0;
		while(pdesc[i] && pdesc[i]!='=' && !isspace(pdesc[i]) && i<MAXSTRNAMELENGTH)
		{
			str_name[i]=pdesc[i];
			i++;
		}
		str_name[i]=0;
		pdesc+=i;
		// skip string name overflow characters
		while(*pdesc && *pdesc!='=' && !isspace(*pdesc)) pdesc++;
		if(!*pdesc) break;
		// skip whitespaces to '='
		while(isspace(*pdesc)) pdesc++;
		if(*pdesc!='=')	{ hge->System_Log(STRFORMATERROR, filename); break; }
		pdesc++;
		// skip whitespaces to '"'
		while(isspace(*pdesc)) pdesc++;
		if(*pdesc!='"')	{ hge->System_Log(STRFORMATERROR, filename); break;	}
		pdesc++;
		// parse string value till the closing '"' -> str_value
		// consider: ", n, \, LF, CR, whitespaces at line begin/end
		pvalue=str_value;
		while(*pdesc && *pdesc!='"')
		{
			if(*pdesc=='n' || *pdesc=='r')
			{
				while(isspace(*pdesc)) pdesc++;
				pvalue--;
				while(pvalue>=str_value && isspace(*pvalue)) pvalue--;
				pvalue++; *pvalue=' '; pvalue++;
				continue;
			}
			if(*pdesc=='\')
			{
				pdesc++;
				if(!*pdesc) continue;
				if(*pdesc=='n') *pvalue='n';
				else *pvalue=*pdesc;
				pvalue++;
				pdesc++;
				continue;
			}
			*pvalue=*pdesc; pvalue++;
			pdesc++;
		}
		*pvalue=0;
		// add the parsed string to the list
		str=new NamedString;
		strcpy(str->name, str_name);
		str->string=new char[strlen(str_value)+1];
		strcpy(str->string, str_value);
		str->next=strings;
		strings=str;
		if(!*pdesc) break;
		pdesc++;
	}
	delete[] str_value;
	delete[] desc;
}
hgeStringTable::~hgeStringTable()
{
	NamedString *str, *strnext;
	str=strings;
	while(str)
	{
		strnext=str->next;
		delete[] str->string;
		delete str;
		str=strnext;
	}
	hge->Release();
}
char *hgeStringTable::GetString(const char *name)
{
	NamedString *str=strings;
	while(str)
	{
		if(!strcmp(name, str->name)) return str->string;
		str=str->next;
	}
	return 0;
}

						