IOStatus KGrGameIO::fetchLevelData
(const QString & dir, const QString & prefix,
const int level, KGrLevelData & d, QString & filePath)
{
filePath = getFilePath (dir, prefix, level);
d.level = level; // Level number.
d.width = FIELDWIDTH; // Default width of layout grid (28 cells).
d.height = FIELDHEIGHT; // Default height of layout grid (20 cells).
d.layout = ""; // Codes for the level layout (mandatory).
d.name = ""; // Level name (optional).
d.hint = ""; // Level hint (optional).
// kDebug()<< "LEVEL PATH:" << filePath;
openFile.setFileName (filePath);
// Check that the level-file exists.
if (! openFile.exists()) {
return (NotFound);
}
// Open the file for read-only.
if (! openFile.open (QIODevice::ReadOnly)) {
return (NoRead);
}
char c;
QByteArray textLine;
IOStatus result = UnexpectedEOF;
// Determine whether the file is in KGoldrunner v3 or v2 format.
bool kgr3Format = (filePath.endsWith (".txt"));
if (kgr3Format) {
// In KGr 3 format, if a line starts with 'L', check the number.
while ((c = getALine (kgr3Format, textLine)) != '\0') {
if ((c == 'L') && (textLine.left (3).toInt() == level)) {
break; // We have found the required level.
}
}
if (c == '\0') {
openFile.close(); // We reached end-of-file.
return (UnexpectedEOF);
}
}
// Check for further settings in this level.
while ((c = getALine (kgr3Format, textLine)) == '.') {
if (textLine.startsWith ("dwf ")) {
// Dig while falling is allowed in this level, or not.
d.digWhileFalling = textLine.endsWith (" false\n") ? false : true;
}
}
// Get the character-codes for the level layout.
if (c == ' ') {
result = OK;
d.layout = removeNewline (textLine); // Remove '\n'.
// Look for a line containing a level name (optional).
if ((c = getALine (kgr3Format, textLine)) == ' ') {
d.name = removeNewline (textLine); // Remove '\n'.
// Look for one or more lines containing a hint (optional).
while ((c = getALine (kgr3Format, textLine)) == ' ') {
d.hint.append (textLine);
}
d.hint = removeNewline (d.hint); // Remove final '\n'.
}
}
// kDebug() << "Level:" << level << "Layout length:" << d.layout.size();
// kDebug() << "Name:" << "[" + d.name + "]";
// kDebug() << "Hint:" << "[" + d.hint + "]";
openFile.close();
return (result);
}
IOStatus KGrGameIO::fetchGameListData
(const Owner o, const QString & dir, QList<KGrGameData *> & gameList,
QString & filePath)
{
QDir directory (dir);
QStringList pattern;
pattern << "game_*";
QStringList files = directory.entryList (pattern, QDir::Files, QDir::Name);
// KGr 3 has a game's data and all its levels in one file.
// KGr 2 has all game-data in "games.dat" and each level in a separate file.
bool kgr3Format = (files.count() > 0);
if (! kgr3Format) {
files << "games.dat";
}
// Loop to read each file containing game-data.
foreach (const QString &filename, files) {
if (filename == "game_ende.txt") {
continue; // Skip the "ENDE" file.
}
filePath = dir + filename;
KGrGameData * g = initGameData (o);
gameList.append (g);
// kDebug()<< "GAME PATH:" << filePath;
openFile.setFileName (filePath);
// Check that the game-file exists.
if (! openFile.exists()) {
return (NotFound);
}
// Open the file for read-only.
if (! openFile.open (QIODevice::ReadOnly)) {
return (NoRead);
}
char c;
QByteArray textLine;
QByteArray gameName;
// Find the first line of game-data.
c = getALine (kgr3Format, textLine);
if (kgr3Format) {
while ((c != 'G') && (c != '\0')) {
c = getALine (kgr3Format, textLine);
}
}
if (c == '\0') {
openFile.close();
return (UnexpectedEOF); // We reached end-of-file unexpectedly.
}
// Loop to extract the game-data for each game on the file.
while (c != '\0') {
if (kgr3Format && (c == 'L')) {
break; // End of KGr 3 game-file header.
}
// Decode line 1 of the game-data.
QList<QByteArray> fields = textLine.split (' ');
g->nLevels = fields.at (0).toInt();
g->rules = fields.at (1).at (0);
g->prefix = fields.at (2);
// kDebug() << "Levels:" << g->nLevels << "Rules:" << g->rules <<
// "Prefix:" << g->prefix;
if (kgr3Format) {
// KGr 3 Format: get skill, get game-name from a later line.
g->skill = fields.at (3).at (0);
}
else {
// KGr 2 Format: get game-name from end of line 1.
int n = 0;
// Skip the first 3 fields and extract the rest of the line.
n = textLine.indexOf (' ', n) + 1;
n = textLine.indexOf (' ', n) + 1;
n = textLine.indexOf (' ', n) + 1;
gameName = removeNewline (textLine.right (textLine.size() - n));
g->name = i18n (gameName.constData());
}
// Check for further settings in this game.
// bool usedDwfOpt = false; // For debug.
while ((c = getALine (kgr3Format, textLine)) == '.') {
if (textLine.startsWith ("dwf ")) {
// Dig while falling is allowed in this game, or not.
g->digWhileFalling = textLine.endsWith (" false\n") ?
false : true;
// usedDwfOpt = true; // For debug.
}
}
if (kgr3Format && (c == ' ')) {
gameName = removeNewline (textLine);
g->name = i18n (gameName.constData());
c = getALine (kgr3Format, textLine);
}
// qDebug() << "Dig while falling" << g->digWhileFalling
// << "usedDwfOpt" << usedDwfOpt << "Game" << g->name;
// kDebug() << "Skill:" << g->skill << "Name:" << g->name;
// Loop to accumulate lines of about-data. If kgr3Format, exit on
// EOF or 'L' line. If not kgr3Format, exit on EOF or numeric line.
while (c != '\0') {
if ((c == '\0') ||
(kgr3Format && (c == 'L')) ||
((! kgr3Format) &&
(textLine.at (0) >= '0') && (textLine.at (0) <= '9'))) {
break;
}
g->about.append (textLine);
c = getALine (kgr3Format, textLine);
}
g->about = removeNewline (g->about); // Remove final '\n'.
// kDebug() << "Info about: [" + g->about + "]";
if ((! kgr3Format) && (c != '\0')) {
filePath = dir + filename;
g = initGameData (o);
gameList.append (g);
}
} // END: game-data loop
openFile.close();
} // END: filename loop
return (OK);
}
/*
* Extract a list of features from a table.
*/
static List *
analyzeTable(const char * table)
{
static char fileName[MAXSTRING];
char ** resolved;
List * features = NULL;
FileInfo info;
int k;
resolved = resolveTable(table, NULL);
if (resolved == NULL)
{
logMessage(LOG_ERROR, "Cannot resolve table '%s'", table);
return NULL;
}
sprintf(fileName, "%s", *resolved);
k = 0;
for (k = 0; resolved[k]; k++)
free(resolved[k]);
free(resolved);
if (k > 1)
{
logMessage(LOG_ERROR, "Table '%s' resolves to more than one file", table);
return NULL;
}
info.fileName = fileName;
info.encoding = noEncoding;
info.status = 0;
info.lineNumber = 0;
if ((info.in = fopen(info.fileName, "rb")))
{
while (getALine(&info))
{
if (info.linelen == 0);
else if (info.line[0] == '#')
{
if (info.linelen >= 2 && info.line[1] == '+')
{
widechar * key = NULL;
widechar * val = NULL;
size_t keySize = 0;
size_t valSize = 0;
info.linepos = 2;
if (info.linepos < info.linelen && isIdentChar(info.line[info.linepos]))
{
key = &info.line[info.linepos];
keySize = 1;
info.linepos++;
while (info.linepos < info.linelen && isIdentChar(info.line[info.linepos]))
{
keySize++;
info.linepos++;
}
if (info.linepos < info.linelen && info.line[info.linepos] == ':')
{
info.linepos++;
while (info.linepos < info.linelen
&& (info.line[info.linepos] == ' ' || info.line[info.linepos] == '\t'))
info.linepos++;
if (info.linepos < info.linelen && isIdentChar(info.line[info.linepos]))
{
val = &info.line[info.linepos];
valSize = 1;
info.linepos++;
while (info.linepos < info.linelen && isIdentChar(info.line[info.linepos]))
{
valSize++;
info.linepos++;
}
}
else
goto compile_error;
}
if (info.linepos == info.linelen)
{
char * k = widestrToStr(key, keySize);
char * v = val ? widestrToStr(val, valSize) : NULL;
Feature f = feature_new(k, v);
logMessage(LOG_DEBUG, "Table has feature '%s:%s'", f.key, f.val);
features = list_conj(features, memcpy(malloc(sizeof(f)), &f, sizeof(f)),
NULL, NULL, (void (*)(void *))feature_free);
free(k);
free(v);
}
else
goto compile_error;
}
else
goto compile_error;
}
}
else
break;
}
fclose(info.in);
}
else
logMessage (LOG_ERROR, "Cannot open table '%s'", info.fileName);
return list_sort(features, (int (*)(void *, void *))cmpKeys);
compile_error:
if (info.linepos < info.linelen)
logMessage(LOG_ERROR, "Unexpected character '%c' on line %d, column %d",
info.line[info.linepos],
info.lineNumber,
info.linepos);
else
logMessage(LOG_ERROR, "Unexpected newline on line %d", info.lineNumber);
list_free(features);
return NULL;
}
