unsigned int ShaderManager::createProgram(const std::string &vertexShaderFilename, const std::string &geometryShaderFilename,
const std::string &fragmentShaderFilename, const std::map<std::string, std::string> &tokens)
{
unsigned int programID = glCreateProgram();
programs.push_back(programID);
//vertex shader
const std::string &vertexShaderFileSource = readEntireFile(shadersParentDirectory + shadersDirectoryName + vertexShaderFilename);
const std::string &vertexShaderSourceStep1 = tokenReplacerShader.replaceTokens(vertexShaderFileSource, tokens);
const std::string &vertexShaderSource = loopUnrollerShader.unrollLoops(vertexShaderSourceStep1);
const char *vertexShaderSourceChar = vertexShaderSource.c_str();
unsigned int vertexShader = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vertexShader, 1, &vertexShaderSourceChar, nullptr);
glCompileShader(vertexShader);
checkShader(vertexShader, vertexShaderFilename);
glAttachShader(programID, vertexShader);
//geometry shader
if(!geometryShaderFilename.empty())
{
const std::string &geometryShaderFileSource = readEntireFile(shadersParentDirectory + shadersDirectoryName + geometryShaderFilename);
const std::string &geometryShaderSourceStep1 = tokenReplacerShader.replaceTokens(geometryShaderFileSource, tokens);
const std::string &geometryShaderSource = loopUnrollerShader.unrollLoops(geometryShaderSourceStep1);
const char *geometryShaderSourceChar = geometryShaderSource.c_str();
unsigned int geometryShader = glCreateShader(GL_GEOMETRY_SHADER);
glShaderSource(geometryShader, 1, &geometryShaderSourceChar, nullptr);
glCompileShader(geometryShader);
checkShader(geometryShader, geometryShaderFilename);
glAttachShader(programID, geometryShader);
}
//fragment shader
const std::string &fragmentShaderFileSource = readEntireFile(shadersParentDirectory + shadersDirectoryName + fragmentShaderFilename);
const std::string &fragmentShaderSourceStep1 = tokenReplacerShader.replaceTokens(fragmentShaderFileSource, tokens);
const std::string &fragmentShaderSource = loopUnrollerShader.unrollLoops(fragmentShaderSourceStep1);
const char *fragmentShaderSourceChar = fragmentShaderSource.c_str();
unsigned int fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fragmentShader, 1, &fragmentShaderSourceChar, nullptr);
glCompileShader(fragmentShader);
checkShader(fragmentShader, fragmentShaderFilename);
glAttachShader(programID, fragmentShader);
//link
glLinkProgram(programID);
checkProgram(programID, vertexShaderFilename + ", " + geometryShaderFilename + ", " + fragmentShaderFilename);
return programID;
}
Board * Board::fromFile (const char * filename) {
size_t boardStringLength;
const char * boardString = readEntireFile(filename, boardStringLength);
Board * result = Board::fromString(boardString, boardStringLength);
delete[] boardString;
return result;
}
void showStudentTextFile(const std::string& filename, int maxWidth, int maxHeight) {
std::string myText = readEntireFile(filename);
int height = stringutils::height(myText);
if (maxWidth > 0) {
myText = stringutils::trimToWidth(myText, maxWidth);
}
if (maxWidth > 0) {
myText = stringutils::trimToHeight(myText, maxHeight);
}
if (!endsWith(myText, "\n")) {
myText += "\n";
}
if (STATIC_VARIABLE(FLAGS).graphicalUI) {
GOptionPane::showTextFileDialog(
myText,
///* title */ "Contents of " + filename + " (" + integerToString(height) + " lines)",
/* title */ "Contents of " + filename,
maxHeight, maxWidth
);
} else {
// these begin/end markers are kept to the same width
// as AUTOGRADER_OUTPUT_SEPARATOR from autograder.h
std::cout << "Here are the contents of the student's " << filename << " file"
<< " (" << height << " lines):" << std::endl
<< "============================== BEGIN ===============================" << std::endl
<< myText
<< "=============================== END ================================" << std::endl;
}
}
TextReader::TextReader(const FileProperties& props)
:textReader(props.reader)
{
textReader->setOffset(props.offset);
textReader->setSize(props.size);
readEntireFile(props.size);
}
std::string readEntireFile(const std::string& filename) {
std::string out;
if (readEntireFile(filename, out)) {
return out;
} else {
error(std::string("input file not found or cannot be opened: ") + filename);
return "";
}
}
int main(void) {
readEntireFile();
printf("\n--------------------------------\n");
readUntilMarker('m');
writeToFile();
return EXIT_SUCCESS;
}
GstSDPMessage *
SdpEndpointImpl::getSdpPattern ()
{
GstSDPMessage *sdp;
GstSDPResult result;
boost::filesystem::path sdp_pattern_file;
std::unique_lock<std::mutex> lock (sdpMutex);
if (pattern) {
return pattern.get();
}
try {
sdp_pattern_file = boost::filesystem::path (
getConfigValue<std::string, SdpEndpoint> ("sdpPattern") );
} catch (boost::property_tree::ptree_error &e) {
throw kurento::KurentoException (SDP_CONFIGURATION_ERROR,
"Error reading SDP pattern from configuration, please contact the administrator: "
+ std::string (e.what() ) );
}
if (!sdp_pattern_file.is_absolute() ) {
try {
sdp_pattern_file = boost::filesystem::path (
getConfigValue<std::string, SdpEndpoint> ("configPath") ) / sdp_pattern_file;
} catch (boost::property_tree::ptree_error &e) {
}
}
result = gst_sdp_message_new (&sdp);
if (result != GST_SDP_OK) {
GST_ERROR ("Error creating sdp message");
throw kurento::KurentoException (SDP_CREATE_ERROR,
"Error creating SDP pattern");
}
pattern = std::shared_ptr<GstSDPMessage> (sdp, gst_sdp_message_free);
result = gst_sdp_message_parse_buffer ( (const guint8 *) readEntireFile (
sdp_pattern_file.string() ).c_str(), -1, sdp);
if (result != GST_SDP_OK) {
GST_ERROR ("Error parsing SDP config pattern");
pattern.reset();
throw kurento::KurentoException (SDP_CONFIGURATION_ERROR,
"Error reading SDP pattern from configuration, please contact the administrator");
}
return pattern.get();
}
/*
* student_submission_time: 13/Oct/2014 10:31:15
* assignment_due_time: 13/Oct/2014 23:59:00
* calendar_days_late: 0
*/
void showLateDays(const std::string& filename) {
Map<std::string, std::string> lineMap;
std::string text;
if (fileExists(filename)) {
text = readEntireFile(filename);
} else {
text = std::string("student_submission_time: unknown\n")
+ "assignment_due_time: unknown\n"
+ "calendar_days_late: unknown\n"
+ "details: " + filename + " not found!";
}
if (STATIC_VARIABLE(FLAGS).graphicalUI) {
for (std::string line : stringSplit(text, "\n")) {
if (stringContains(line, ": ")) {
std::string key = line.substr(0, line.find(": "));
std::string value = line.substr(line.find(": ") + 2);
lineMap.put(key, value);
}
}
std::string message;
std::string dueTime = lineMap["assignment_due_time"];
std::string submitTime = lineMap["student_submission_time"];
std::string daysLate = lineMap["calendar_days_late"];
std::string details = lineMap["details"];
if (dueTime != "unknown") {
dueTime = formatDate(dueTime);
}
if (submitTime != "unknown") {
submitTime = formatDate(submitTime);
}
message += "<html><table>";
if (!details.empty()) {
message += "<tr><td><b>NOTE:</b></td><td>" + details + "</td></tr>";
}
message += "<tr><td><b>due</b></td><td>" + dueTime + "</td></tr>";
message += "<tr><td><b>submitted</b></td><td>" + submitTime + "</td></tr>";
message += "<tr><td><b>cal.days late</b></td><td>" + daysLate + "</td></tr>";
message += "</table></html>";
GOptionPane::showMessageDialog(message, filename,
GOptionPane::PLAIN);
} else {
std::cout << AUTOGRADER_OUTPUT_SEPARATOR << std::endl;
std::cout << "Contents of " << filename << ":" << std::endl;
std::cout << text;
if (!endsWith(text, '\n')) {
std::cout << std::endl;
}
std::cout << AUTOGRADER_OUTPUT_SEPARATOR << std::endl;
}
}
Dictionary::Dictionary (const char * dictionaryPath)
: wordCount(0)
{
// Allocate node 0 to be the root.
nodes.reserve(DEFAULT_DICTIONARY_SIZE);
// The root node does not actually contain character information, just children.
nodes.push_back(Node('\0', false));
const char * dictionaryBuffer;
size_t dictionaryLength;
dictionaryBuffer = readEntireFile(dictionaryPath, dictionaryLength);
try {
// Scan through the dictionary file for words and add them to the dictionary.
unsigned currentWordStart = 0;
for (unsigned i = 0; i < dictionaryLength; i++) {
char ch = dictionaryBuffer[i];
if ((ch == '\n') || (ch == '\r') || (ch == '\0')) {
size_t currentWordLength = i - currentWordStart;
if (currentWordLength)
addWord(dictionaryBuffer + currentWordStart, currentWordLength);
currentWordStart = i + 1;
}
}
size_t currentWordLength = dictionaryLength - currentWordStart;
if ((currentWordLength + currentWordStart <= dictionaryLength) && (currentWordLength))
addWord(dictionaryBuffer + currentWordStart, currentWordLength);
delete[] dictionaryBuffer;
} catch (...) {
delete[] dictionaryBuffer;
throw;
}
}
bool SearchContext::searchFile(int id, const std::string &filename, RegexList &filespecRegexes, pcre *matchRegex)
{
bool matchesOneFilespec = false;
for(RegexList::iterator it = filespecRegexes.begin(); it != filespecRegexes.end(); ++it)
{
pcre *regex = *it;
if(pcre_exec(regex, NULL, filename.c_str(), filename.length(), 0, 0, NULL, 0) >= 0)
{
matchesOneFilespec = true;
break;
}
}
if(!matchesOneFilespec)
return false;
std::string contents;
if(!readEntireFile(filename, contents, params_.maxFileSize))
return false;
std::string workBuffer = contents;
std::string updatedContents;
bool atLeastOneMatch = false;
int lineNumber = 1;
char *p = &workBuffer[0];
char *line;
while((line = nextToken(&p, '\n')) != NULL)
{
char *originalLine = line;
std::string replacedLine;
SearchEntry entry;
int ovector[100];
do
{
bool matches = false;
int matchPos;
int matchLen;
if(matchRegex)
{
int rc;
if(rc = pcre_exec(matchRegex, 0, line, strlen(line), 0, 0, ovector, sizeof(ovector)) >= 0)
{
matches = true;
matchPos = ovector[0];
matchLen = ovector[1] - ovector[0];
}
}
else
{
char *match;
if(params_.flags & SF_MATCH_CASE_SENSITIVE)
match = strstr(line, params_.match.c_str());
else
match = strstri(line, params_.match.c_str());
if(match != NULL)
{
matches = true;
matchPos = match - line;
matchLen = params_.match.length();
}
}
if(params_.flags & SF_REPLACE)
{
if(matches)
{
replacedLine.append(line, matchPos);
entry.highlights_.push_back(Highlight(replacedLine.length(), params_.replace.length()));
replacedLine.append(params_.replace);
line += matchPos + matchLen;
}
else
{
break;
}
}
else
{
if(matches)
{
entry.filename_ = filename;
entry.match_ = originalLine;
entry.line_ = lineNumber;
entry.highlights_.push_back(Highlight(matchPos + (line - originalLine), matchLen));
line += matchPos + matchLen;
}
else
{
break;
}
}
if(matches)
hits_++;
}
while(*line);
if(!entry.filename_.empty())
{
linesWithHits_++;
atLeastOneMatch = true;
}
if(params_.flags & SF_REPLACE)
{
if(line && *line)
replacedLine += line;
if(replacedLine != originalLine)
{
entry.filename_ = filename;
entry.match_ = replacedLine;
entry.line_ = lineNumber;
append(id, entry);
}
replacedLine += "\n";
updatedContents += replacedLine;
}
else
{
if(!entry.filename_.empty())
append(id, entry);
}
lineNumber++;
}
if(atLeastOneMatch)
filesWithHits_++;
if(params_.flags & SF_REPLACE)
{
if((contents != updatedContents))
{
bool overwriteFile = true;
if(params_.flags & SF_BACKUP)
{
std::string backupFilename = filename;
backupFilename += ".";
backupFilename += params_.backupExtension;
if(!writeEntireFile(backupFilename, contents))
{
std::string err = "WARNING: Couldn't write backup file (skipping replacement): ";
err += backupFilename;
err += "\n";
poke(id, err.c_str(), HighlightList(), 0, false);
overwriteFile = false;
}
}
if(overwriteFile)
{
if(writeEntireFile(filename, updatedContents))
{
return true;
}
else
{
std::string err = "WARNING: Couldn't write to file: ";
err += filename;
err += "\n";
poke(id, err.c_str(), HighlightList(), 0, false);
}
}
}
return false;
}
return true;
}
bool SearchContext::searchFile(int id, const std::string &filename, RegexList &filespecRegexes, pcre *matchRegex)
{
bool matchesOneFilespec = false;
for(RegexList::iterator it = filespecRegexes.begin(); it != filespecRegexes.end(); ++it)
{
pcre *regex = *it;
if(pcre_exec(regex, NULL, filename.c_str(), filename.length(), 0, 0, NULL, 0) >= 0)
{
matchesOneFilespec = true;
break;
}
}
if(!matchesOneFilespec)
return false;
std::string contents;
if(!readEntireFile(filename, contents, params_.maxFileSize))
return false;
std::string workBuffer = contents;
std::string updatedContents;
std::deque<char *> contextLines;
bool atLeastOneMatch = false;
int trailingContextLines = 0;
int lineNumber = 1;
char *p = &workBuffer[0];
char *line;
while((line = nextToken(&p, '\n')) != NULL)
{
char *originalLine = line;
std::string replacedLine;
SearchEntry entry;
int ovector[100];
// Strip newline, but remember exactly what kind it was
bool hasCarriageReturn = false;
int lineLen = strlen(line);
if(lineLen && (line[lineLen - 1] == '\r'))
{
line[lineLen - 1] = 0;
hasCarriageReturn = true;
}
// Matching loop (we might find our string a few times on a single line)
bool lineMatched = false;
do
{
bool matches = false;
int matchPos;
int matchLen;
// The actual match. Either invoke PCRE or do a boring strstr
if(matchRegex)
{
int rc;
if(rc = pcre_exec(matchRegex, 0, line, strlen(line), 0, 0, ovector, sizeof(ovector)) >= 0)
{
matches = true;
matchPos = ovector[0];
matchLen = ovector[1] - ovector[0];
}
}
else
{
char *match;
if(params_.flags & SF_MATCH_CASE_SENSITIVE)
match = strstr(line, params_.match.c_str());
else
match = strstri(line, params_.match.c_str());
if(match != NULL)
{
matches = true;
matchPos = match - line;
matchLen = params_.match.length();
}
}
if(matches)
lineMatched = true;
// Handle the match. For replace or find, we:
// * Add output explaining the match
// * Advance the line pointer for another match attempt
// ... or ...
// * "break", which leaves the matching loop
if(params_.flags & SF_REPLACE)
{
if(matches)
{
std::string temp(line, matchPos);
replacedLine.append(temp);
replacedLine.append(params_.replace);
entry.textBlocks.addBlock(temp, config_.textColor_);
entry.textBlocks.addBlock(params_.replace, config_.highlightColor_, true);
line += matchPos + matchLen;
}
else
{
break;
}
}
else
{
if(matches)
{
entry.textBlocks.addHighlightedBlock(originalLine, matchPos + (line - originalLine), matchLen, config_.textColor_, config_.highlightColor_, true);
line += matchPos + matchLen;
}
else
{
break;
}
}
if(matches)
hits_++;
}
while(*line); // end of matching loop
// If we're doing a replace, finish the line and append to the final updated contents
if(params_.flags & SF_REPLACE)
{
if(line && *line)
{
replacedLine += line;
entry.textBlocks.addBlock(line, config_.textColor_);
}
if(hasCarriageReturn)
{
replacedLine += "\r";
}
replacedLine += "\n";
updatedContents += replacedLine;
}
bool outputMatch = false;
if(lineMatched)
{
// keep stats
linesWithHits_++;
atLeastOneMatch = true;
// If we matched, consider notifying the user. We'll always say something
// unless the replaced text doesn't actually change the line.
outputMatch = ( !(params_.flags & SF_REPLACE) ) || (replacedLine != originalLine);
if(outputMatch)
{
entry.filename_ = filename;
entry.line_ = lineNumber;
// output all existing context lines
if(contextLines.size())
{
SearchEntry contextEntry;
contextEntry.filename_ = entry.filename_;
contextEntry.contextOnly_ = true;
int currLine = entry.line_ - contextLines.size();
for(std::deque<char *>::iterator it = contextLines.begin(); it != contextLines.end(); ++it)
{
TextBlockList textBlocks;
textBlocks.addBlock(*it, config_.textColor_);
contextEntry.textBlocks.swap(textBlocks);
contextEntry.line_ = currLine++;
append(id, contextEntry);
}
contextLines.clear();
}
append(id, entry);
}
// Remember that we'd like the next few lines, even if they don't match
trailingContextLines = config_.contextLines_;
}
if(!outputMatch)
{
// Didn't output a match. Keep track or output the line anyway for contextual reasons.
if(trailingContextLines > 0)
{
// A recent match wants to see this line in the output anyway
SearchEntry trailingEntry;
trailingEntry.filename_ = filename;
trailingEntry.line_ = lineNumber;
trailingEntry.contextOnly_ = true;
trailingEntry.textBlocks.addBlock(originalLine, config_.textColor_);
append(id, trailingEntry);
trailingContextLines--;
}
else
{
// didn't output a match, and wasn't output as context. stash it in contextLines
contextLines.push_back(originalLine);
if((int)contextLines.size() > config_.contextLines_)
contextLines.pop_front();
}
}
lineNumber++;
} // end of line loop (done reading file)
if(atLeastOneMatch)
filesWithHits_++;
if(params_.flags & SF_REPLACE)
{
if((contents != updatedContents))
{
bool overwriteFile = true;
if(params_.flags & SF_BACKUP)
{
std::string backupFilename = filename;
backupFilename += ".";
backupFilename += params_.backupExtension;
if(!writeEntireFile(backupFilename, contents))
{
std::string err = "WARNING: Couldn't write backup file (skipping replacement): ";
err += backupFilename;
err += "\n";
sendError(id, err);
overwriteFile = false;
}
}
if(overwriteFile)
{
if(writeEntireFile(filename, updatedContents))
{
return true;
}
else
{
std::string err = "WARNING: Couldn't write to file: ";
err += filename;
err += "\n";
sendError(id, err);
}
}
}
return false;
}
return true;
}
