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/*
** Haaf's Game Engine 1.7
** Copyright (C) 2003-2007, Relish Games
** hge.relishgames.com
**
** hgeStringTable helper class implementation
*/
#include "../../include/hgestrings.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;
}
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