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/* ScummVM - Scumm Interpreter
* Copyright (C) 2006 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "parallaction/defs.h"
#include "parallaction/parser.h"
#include "parallaction/parallaction.h"
#include "parallaction/disk.h"
namespace Parallaction {
char _tokens[20][40];
/*
static char *_src = NULL;
void parseInit(char *s) {
_src = s;
}
char *parseNextLine(char *s, uint16 count) {
uint16 _si;
char v2 = 0;
for ( _si = 0; _si<count; _si++) {
v2 = *_src++;
if (v2 == 0xA || v2 == -1) break;
if (v2 != -1 && _si < count) s[_si] = v2;
}
if (_si == 0 && v2 == -1)
return 0;
s[_si] = 0xA;
s[_si+1] = '\0';
return s;
}
*/
LocScript::LocScript(const char* s) : _src(s) {
}
char *LocScript::readLine(char *buf, size_t bufSize) {
uint16 _si;
char v2 = 0;
for ( _si = 0; _si<bufSize; _si++) {
v2 = *_src++;
if (v2 == 0xA || v2 == -1) break;
if (v2 != -1 && _si < bufSize) buf[_si] = v2;
}
if (_si == 0 && v2 == -1)
return 0;
buf[_si] = 0xA;
buf[_si+1] = '\0';
return buf;
}
uint32 LocScript::read(void *dataPtr, uint32 dataSize) {
error("binary read not supported on LocScript streams");
}
bool LocScript::eos() const {
error("EoS not supported on LocScript streams");
}
uint32 LocScript::pos() const {
error("position not supported on LocScript streams");
}
uint32 LocScript::size() const {
error("can't get size of LocScript streams");
}
void LocScript::seek(int32 offset, int whence) {
error("seek not supported on LocScript streams");
}
// looks for next token in a string
//
// scans 's' until one of the stop-chars in 'brk' is found
// builds a token and return the part of the string which hasn't been parsed
char *parseNextToken(char *s, char *tok, uint16 count, const char *brk) {
while (*s != '\0') {
if (brk[0] == *s) break;
if (brk[1] == *s) break;
if (brk[2] == *s) break;
*tok++ = *s++;
}
*tok = '\0';
return s;
}
//
// a comment can appear both at location and Zone levels
// comments are displayed into rectangles on the screen
//
char *Parallaction::parseComment(ArchivedFile *file) {
char _tmp_comment[1000] = "\0";
char *v194;
do {
char v190[400];
v194 = _locationScript->readLine(v190, 400);
v194[strlen(v194)-1] = '\0';
if (!scumm_stricmp(v194, "endtext"))
break;
strcat(_tmp_comment, v194);
strcat(_tmp_comment, " ");
} while (true);
v194 = (char*)memAlloc(strlen(_tmp_comment)+1);
strcpy(v194, _tmp_comment);
_tmp_comment[0] = '\0';
return v194;
}
void clearTokens() {
for (uint16 i = 0; i < 20; i++)
_tokens[i][0] = '\0';
return;
}
uint16 fillTokens(char* line) {
uint16 i = 0;
while (strlen(line) > 0 && i < 20) {
line = parseNextToken(line, _tokens[i], 40, " \t\n");
if (_tokens[i][0] == '"' && _tokens[i][strlen(_tokens[i]) - 1] != '"') {
line = parseNextToken(line, _tokens[i+1], 40, "\"");
strcat(_tokens[i], _tokens[i+1]);
_tokens[i][0] = ' ';
line++;
}
line = Common::ltrim(line);
i++;
}
return i;
}
uint16 fillBuffers(Common::SeekableReadStream &stream, bool errorOnEOF) {
clearTokens();
char buf[200];
char *line = NULL;
do {
line = stream.readLine(buf, 200);
if (line == NULL) {
if (errorOnEOF)
error("unexpected end of file while parsing");
else
return 0;
}
line = Common::ltrim(line);
} while (strlen(line) == 0 || line[0] == '#');
return fillTokens(line);
}
/*
//
// FIXME
// this function does the same Job as fillBuffers, except that
// it gets input from a SeekableStream instead of a memory buffer
//
uint16 tableFillBuffers(Common::SeekableReadStream &stream) {
clearTokens();
char buf[200];
char *line = NULL;
do {
line = stream.readLine(buf, 200);
if (line == NULL) {
return 0;
}
line = Common::ltrim(line);
} while (strlen(line) == 0 || line[0] == '#');
return fillTokens(line);
}
*/
// FIXME
// this function does the same Job as fillBuffers, except that
// it gets input from an ArchivedFile instead of a memory buffer
//
uint16 scriptFillBuffers(ArchivedFile *file) {
clearTokens();
char buf[200];
char *line = NULL;
do {
line = readArchivedFileText(buf, 200, file);
if (line == NULL) {
return 0;
}
line = Common::ltrim(line);
} while (strlen(line) == 0 || line[0] == '#');
return fillTokens(line);
}
} // namespace Parallaction
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