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xmlParser.cpp
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//~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*
// Program Name : xmlParser.cpp
//
// Project : Video Object Analysis
// Author : Gaurav Harit (PhD EE-2001)
// Creation Date : Sep 17 -2005. Rights Reserved
//~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*
#include "xmlParser.h"
XMLattribute::XMLattribute () { name = NULL; value = NULL; }
XMLelement::XMLelement () { name = NULL; content = NULL; parent = NULL; filePointer = -1; myID = -1;}
XMLattribute::~XMLattribute () { if(name != NULL) delete [] name; if(value != NULL) delete [] value; }
XMLelement::~XMLelement () {
//cout << " DESTROYING Xmlelement ";
if(name != NULL) delete [] name; if(content!= NULL) delete [] content;
for (int k=0; k<attributes.size(); ++k) delete attributes[k]; attributes.clear();
for (int i=0; i<childs.size(); ++i) delete childs[i]; childs.clear();
}
void
XMLelement::setContent (vector<char *> & contentArray) {
int len = 0;
for (int k=0; k<contentArray.size(); ++k) {
len += (strlen(contentArray[k])+1); len ++;
}
len ++;
if (content != NULL) delete [] content;
content = new char[len+1];
strcpy (content, "");
for (int k=0; k<contentArray.size(); ++k) {
strcat (content, contentArray[k]);
if (k != contentArray.size()-1)
strcat (content, " ");
}
cout << " CONTENT: " << content;
contentArray.clear();
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLelement::setName (char *n) {
if (name != NULL) delete [] name;
name = new char[strlen(n)+4]; strcpy (name, n);
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLattribute::setName (char *n) {
if (name != NULL) delete [] name;
name = new char[strlen(n)+4]; strcpy (name, n);
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLattribute::setValue (char *v) {
if (value != NULL) delete [] value;
value = new char[strlen(v)+4]; strcpy (value, v);
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLattribute::print() {
if (this == NULL) return;
cout << " [";
if (name != NULL) cout << name; cout << "<=>";
if (value != NULL) cout << value;
cout << "]";
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLelement::printAttributes () {
if (this == NULL) return;
cout << " [" << name << "->";
if (attributes.size() > 0) {
for (int k=0; k<attributes.size(); ++k) {
if (attributes[k]->name != NULL && attributes[k]->value != NULL) {
cout <<" " << attributes[k]->name <<"="<< attributes[k]->value;
if (k != attributes.size()-1) cout << ",";
}
else cout << "\n Error: NULL attributes encountered !! ";
}
//cout << "]";
}
cout << "]";
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLelement::print (int detail) {
if (this == NULL) return;
char *buf = new char[100];
sprintf (buf, "[%s]", name);
cout << "\n XMLnode: " <<setiosflags(ios::fixed) <<setiosflags(ios::left)<<setw(30) << buf << " ";
if (content != NULL) cout << " Content: [" << content << "]";
//if (content == NULL) cout << " Nxxxxxxxxxxxxxxxxxxxoooooo Content ";
if (attributes.size() > 0) {
//cout << "\n\t\t\t\t Attributes: [";
for (int k=0; k<attributes.size(); ++k) {
if (attributes[k]->name != NULL && attributes[k]->value != NULL)
cout <<"\n\t\t\t\t\t " << attributes[k]->name <<" = "<< attributes[k]->value;
else cout << "\n Error: NULL attributes encountered !! ";
}
//cout << "]";
}
if (parent != NULL) {
cout << "\n\t\t\t\t Parent: [";
if (parent->name != NULL) cout << parent->name;
else cout << "NoName";
cout << "]";
}
if (childs.size() > 0) {
cout << "\n\t\t\t\t Child: [";
for (int k=0; k<childs.size(); ++k) {
if (childs[k]->name != NULL) cout << childs[k]->name;
else cout << "NoName";
if(k!=childs.size()-1)cout << ", ";}
cout << "]";
}
if (detail) {
for (int k=0; k<childs.size(); ++k) childs[k]->print(1);
}
delete [] buf;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
char *
XMLelement::getAttributeValue (char *name) {
for (int k=0; k<attributes.size(); ++k) {
if (!strcmp (attributes[k]->name, name))
return attributes[k]->value;
}
return NULL;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
bool
XMLelement::hasAttributeValue (char *name, char *value) {
for (int k=0; k<attributes.size(); ++k) {
if (!strcmp (attributes[k]->name, name))
if (!strcmp (attributes[k]->value, value))
return true;
}
return false;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLattribute*
XMLelement::getAttributeByValue (char *value) {
for (int k=0; k<attributes.size(); ++k) {
if (!strcmp (attributes[k]->value, value))
return attributes[k];
}
return NULL;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
bool
XMLelement::getAttributeValue (char *name, float & value) {
for (int k=0; k<attributes.size(); ++k) {
if (!strcmp (attributes[k]->name, name)) {
sscanf (attributes[k]->value, "%f", &value);
return true;
}
}
return false;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
bool
XMLelement::getAttributeValue (char *name, int & value) {
for (int k=0; k<attributes.size(); ++k) {
if (!strcmp (attributes[k]->name, name)) {
sscanf (attributes[k]->value, "%d", &value);
return true;
}
}
return false;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLattribute*
XMLelement::getAttribute (int count) {
if (attributes.size() > count) return attributes[count];
return NULL;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLelement*
XMLelement::getSibling (int count) {
if (parent != NULL) {
if (count < parent->childs.size()) {
return parent->childs[count];
}
}
return NULL;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLelement*
XMLelement::getChild (char *name) {
if (name != NULL) {
for (int k=0; k<childs.size(); ++k) {
if (!strcmp (childs[k]->name, name)) {
// Start-Reset a counter for this child
for (int c=0; c<=counterNames.size(); ++c) {
if (c == counterNames.size()) {
counterNames.push_back (childs[k]->name);
counters.push_back (1); break;
}
if (!strcmp (counterNames[c], name)) {
counters[c] = 1; break;
}
}
return childs[k];
}
}
} else {
childCounter = 0;
if (childCounter < childs.size()) {
return childs[childCounter];
}
}
return NULL;
/*
XMLelement *myChild;
for (int k=0; k<childs.size(); ++k) {
myChild = childs[k]->getChild (name);
if (myChild != NULL)
return myChild;
}
return NULL;*/
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLelement*
XMLelement::getChild (char *name, int num) {
int myNumber = -1;
if (name != NULL) {
for (int k=0; k<childs.size(); ++k) {
if (!strcmp (childs[k]->name, name)) {
myNumber ++;
if (myNumber == num)
return childs[k];
}
}
} else {
if (num < childs.size()) {
return childs[num];
}
}
return NULL;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLelement*
XMLelement::getChild (int num) {
if (num < childs.size()) {
return childs[num];
}
return NULL;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLelement*
XMLelement::getNextChild (char *name) {
int myNumber = -1;
bool skip = false;
if (name != NULL) {
for (int k=0; k<childs.size(); ++k) {
if (!strcmp (childs[k]->name, name)) {
myNumber++; skip = false;
for (int c=0; c<=counterNames.size(); ++c) {
if (c == counterNames.size()) {
counterNames.push_back (childs[k]->name);
counters.push_back (1); break;
}
if (!strcmp (counterNames[c], name)) {
if (myNumber == counters[c]) {
counters[c] ++; // returning
break;
} else
skip = true;
}
}
if (skip == true) continue;
return childs[k];
}
}
} else {
childCounter ++;
if (childCounter < childs.size()) {
return childs[childCounter];
}
}
return NULL; // All children of this name have been returned.
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
//~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*
// Notes:
//~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*
void
XMLelement::dumpInFile (XMLparser *parser, char *indent, int level) {
fstream &fout = parser->fout;
//this->print();getchar();
strcpy (indent, "");
for (int i=0; i<level; ++i)
strcat (indent, "\t");
if (name != NULL) {
if (level > 0) fout <<"\n" << indent << "<" << name;
else fout <<"\n\n"<< indent << "<" << name;
if (attributes.size() > 0) {
for (int k=0; k<attributes.size(); ++k) {
fout <<" "<< attributes[k]->name << "=\"" << attributes[k]->value << "\"";
}
}
if (content != NULL) {
fout << ">";
if (strcmp (content, ""))
fout <<"\n\t" << indent << content;
}
if (childs.size() > 0) {
if (content == NULL) fout << " >";
for (int k=0; k<childs.size(); ++k)
childs[k]->dumpInFile (parser, indent, level+1);
}
strcpy (indent, "");
for (int i=0; i<level; ++i)
strcat (indent, "\t");
if (content == NULL && childs.size() == 0)
fout << "/>";
else
fout << "\n" << indent << "</" << name << ">";
}
if (level == 0)
fout
<< "\n <!-- -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* -->";
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLparser::dumpInFile (char *outFileName) {
fout.close(); fout.clear();
fout.open(outFileName, ios::out | ios::binary); assert (fout.good());
cout << "\n Dumping XML-elements to file: " << outFileName;
char *header = new char[100];
strcpy (header, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
fout.write (header, strlen(header)*sizeof(char));
char *indent = new char[1000]; // For very very deep nesting,
int level = 0; // this memory allocation will be insufficient
for (int k=0; k<elementList.size(); ++k)
elementList[k]->dumpInFile (this, indent, level);
if (this->fileName == NULL) {
this->fileName = new char[strlen(outFileName)+10];
strcpy (this->fileName, outFileName);
}
delete [] indent;
delete [] header;
fout.close();
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLparser::writeComment (char *buf) {
assert (fout.good());
fout << "\n <!-- " << buf << " -->";
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLelement*
XMLparser::makeXMLelement (char *name) {
XMLelement *bel = new XMLelement();
bel->setName (name);
return bel;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLelement::addChildElement (XMLelement *child) {
childs.push_back (child);
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLelement*
XMLelement::makeChildElement (char *name) {
XMLelement *bel = new XMLelement();
bel->setName (name);
childs.push_back (bel);
return bel;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLelement::setChildElement (XMLelement *bel) {
childs.push_back (bel);
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLelement::setAttribute (char *name, char *value) {
// First check if the attribute already exists. If yes then update it.
for (int k=0; k<attributes.size(); ++k) {
if (attributes[k] != NULL)
//if (!strcmp (attributes[k], name)) {
if (!strcmp (attributes[k]->name, name)) {
attributes[k]->setValue(value);
return;
}
}
attributes.push_back (new XMLattribute);
attributes.back()->setName (name);
attributes.back()->setValue (value);
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLelement::reset (bool alsoChildren) {
if (name != NULL) delete [] name;
if (content != NULL) delete [] content;
if (alsoChildren)
for (int k=0; k<childs.size(); ++k) delete childs[k];
for (int k=0; k<attributes.size(); ++k) delete attributes[k];
counterNames.clear(); counters.clear(); childCounter = 0;
name = NULL; content = NULL; childs.clear(); attributes.clear(); filePointer = -1;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
XMLelement*
XMLparser::getElementFromPool () {
XMLelement *born;
if (!poolElements.empty()) {
born = poolElements.front(); poolElements.pop();
usedElements.push (born);
return born;
}
born = new XMLelement();
usedElements.push (born); return born;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLparser::fillBackElementPool () {
XMLelement *used;
while (!usedElements.empty()) {
used = usedElements.front(); usedElements.pop();
used->reset (false);
poolElements.push (used);
}
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLparser::test () {
setOutputFile ("myIndia.tex");
XMLelement *expElement = makeXMLelement ("JaiShreeRam");
expElement->setContent ("Its too much of content... I cant bear it");
expElement->setAttribute ("Variable1", "valueNone");
expElement->setAttribute ("Variable2", "valueNone");
expElement->setAttribute ("Variable3", "valueNone");
XMLelement *c1 = expElement->makeChildElement ("OnlyChild");
XMLelement *c2 = expElement->makeChildElement ("SecondChild");
c1->setAttribute ("Hero1", "2");
c2->setAttribute ("Hero2", "4");
c1->makeChildElement ("GrandChild11");
c1->addContent ("My Dear");
c1->addContent (" Gaurav");
c1->addContent (" Gaurav");
c1->addContent (" Gaurav");
c1->addContent (" Gaurav");
c1->addContent (" Gaurav");
c1->addContent (" Gaurav");
c1->addContent (" Gaurav");
c1->makeChildElement ("GrandChild12");
c2->makeChildElement ("GrandChild21");
c2->makeChildElement ("GrandChild22");
char *indent = new char[1000];
int level = 0;
expElement->dumpInFile (this, indent, level);
fout.close();
delete [] indent;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
void
XMLparser::setOutputFile (char *fileName) {
fout.close(); fout.clear();
fout.open (fileName, ios::out);
if (!fout.good()) {
cout << "\n\n\t ???? Some problem in opening the output file: [" << fileName << "]";
cout << "\n\t\t Check that the directory/permissions exist... \n\n"; exit (0);
}
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_
//~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*
// Notes:
//~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*
void
XMLparser::makeXMLgraphicalStructure (vector<char*> & tokens) {
stack<XMLelement*> elmStack;
XMLelement *elm;
XMLattribute *attr;
bool readContent = false, readNextContent = false;
vector<char*> contentArray;
for (int T=0; T<tokens.size(); ++T) {
//cout << "\n For Token: " << tokens[T];
if (!strcmp(tokens[T],"<") ) {
assert (T < tokens.size()-1);
elm = new XMLelement(); elm->setName (tokens[T+1]);
if (!elmStack.empty()) elmStack.top()->childs.push_back (elm);
else
elementList.push_back (elm);
elmStack.push (elm);
//cout << " Pushed in: " << elmStack.top()->name;
readNextContent = false; T++;
} else if (!strcmp(tokens[T],"</") ) {
//cout << " Popped out: " << elmStack.top()->name;
//-+-+-+-+-+-+
if (elmStack.empty() || strcmp(elmStack.top()->name, tokens[T+1])) {
cout << "\n\n ---------------------------------------- ";
cout << "\n\t Mis-Matched Tag in file [" << fileName <<
"] on/before line Number: " << lineNumbers[T];
while (!elmStack.empty()) {
cout << "\n\t\t STACK: " << elmStack.top()->name; elmStack.pop();
}
cout << "\n\n"; exit (0);
}
//-+-+-+-+-+-+
elm = elmStack.top();
elmStack.pop();
T++;
readNextContent = false;
} else if (!strcmp(tokens[T],">") ) {
readNextContent = true;
} else if (!strcmp(tokens[T],"/>") ) {
//cout << " Popped out: " << elmStack.top()->name;
readNextContent = false;
elmStack.pop ();
} else if (!strcmp(tokens[T],"=") ) {
attr = new XMLattribute ();
attr->setName (tokens[T-1]);
attr->setValue (tokens[T+1]); T++;
elmStack.top()->attributes.push_back (attr);
//elmStack.top()->print();
readNextContent = false;
}
if (readContent && readNextContent){ contentArray.push_back (tokens[T]); }
if (readNextContent) { readContent = true;}
else if(readContent) { readContent = false;
if (contentArray.size() > 0) {
elm->setContent (contentArray);
}
}
}// For all tokens....................................
if (!elmStack.empty()) {
cout << "\n\n ---------------------------------------- ";
cout << "\n\t Mis-Matched Tag in file [" << fileName <<
"] on/before line Number: " << lineNumbers.back();
while (!elmStack.empty()) {
cout << "\n\t\t STACK: " << elmStack.top()->name; elmStack.pop();
}
cout << "\n\n"; exit (0);
}
//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
for (int T=0; T<tokens.size(); ++T) {
delete [] tokens[T];
}
tokens.clear(); lineNumbers.clear();
cout << "\n\n ++++++++++++++++++++++++++++++++++++++\n Elements Read from XML document: \n";
for (int k=0; k<elementList.size(); ++k) {
elementList[k]->print();
}
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!
void
XMLparser::reset() {
for (int T=0; T<tokens.size(); ++T) {
if (tokens[T] != NULL)
delete [] tokens[T];
}
tokens.clear(); lineNumbers.clear();
for (int k=0; k<elementList.size(); ++k)
if (elementList[k] != NULL) delete elementList[k];
elementList.clear();
if (textLine != NULL) delete [] textLine; textLine = NULL;
if (firstWord != NULL) delete [] firstWord; firstWord = NULL;
if (unitChars != NULL) delete [] unitChars; MAXCHARS = 1; unitChars = new char[MAXCHARS];
//if (fin.good()) fin.close();
fin.close(); fin.clear();
{ fout.close(); } fout.clear();
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!
//~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*
// Notes:
//~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*~^~*
void
XMLparser::readDocument (char *fileName) {
this->reset();
this->fileName = fileName;
fstream fin;
fin.open (fileName, ios::in); assert (fin.good());
char ch, *word;
if (textLine == NULL) textLine = new char[1000];
if (firstWord == NULL) firstWord = new char[1000];
// vector<char> unitChars; unitChars.resize(1000);
int uc = 0;// MAXCHARS=1;
//char *unitChars = new char[MAXCHARS];
int cLineNum = 0;
// MAKE all the tokens by completely parsing the file:
while (!fin.eof()) {
fin.getline (textLine, 300); assert (strlen(textLine) < 299);
sscanf (textLine, "%s", firstWord); //cout << "\n firstWord: " << firstWord;
cLineNum ++;
if (firstWord[0] == '%' || strlen(textLine) < 2) { continue; }
//cout << "\n " << textLine;
// TOKENIZE < > </ /> =
int lineLength = strlen (textLine);
int initialNumberOfTokens = tokens.size();
for (int k=0; k<lineLength; ++k) {
//unitChars.push_back (textLine[k]);
if (textLine[k] == '<') {
//if (unitChars.size() > 0)
if (uc > 0)
tokens.push_back (makeString(unitChars, uc));
// tokens.push_back (new char[unitChars.size()+23]);
//if (unitChars.size() > 0)
//cout << "\n GETSTRING: " << makeString(unitChars);
if (k != lineLength-1 && textLine[k+1] == '/') {
word = new char[5]; strcpy (word, "</");
tokens.push_back (word); k++;
} else {
word = new char[4]; strcpy (word, "<");
tokens.push_back (word);
}
} else if (textLine[k] == '=') {
//if (unitChars.size() > 0)
if (uc > 0)
tokens.push_back (makeString(unitChars, uc));
word = new char[4]; strcpy (word, "=");
tokens.push_back (word);
} else if (textLine[k] == '/') {
if (k != lineLength-1 && textLine[k+1] == '>') {
//if (unitChars.size() > 0)
if (uc > 0)
tokens.push_back (makeString(unitChars, uc));
word = new char[5]; strcpy (word, "/>");
tokens.push_back (word); k++;
} else {
//unitChars.push_back (textLine[k]);
unitChars[uc++] = textLine[k];
if (uc >= MAXCHARS-10) {
char *reAllocArray = new char[2*MAXCHARS];
memcpy (reAllocArray, unitChars, MAXCHARS*sizeof(char));
MAXCHARS = 2*MAXCHARS;
delete [] unitChars;
unitChars = reAllocArray;
//cout << "\n Reallocated Memory to: " << MAXCHARS;
}
}
} else if (textLine[k] == '>') {
//if (unitChars.size() > 0)
if (uc > 0)
tokens.push_back (makeString(unitChars, uc));
word = new char[4]; strcpy (word, ">");
tokens.push_back (word);
} else if (textLine[k] == ' ' || textLine[k] == '\t') {
//if (unitChars.size() > 0)
if (uc > 0)
tokens.push_back (makeString(unitChars, uc));
} else {
//cout << " " << textLine[k];
if (textLine[k] != '\"')
unitChars[uc++] = textLine[k];
//unitChars.push_back (textLine[k]);
if (uc >= MAXCHARS-10) {
char *reAllocArray = new char[2*MAXCHARS];
memcpy (reAllocArray, unitChars, MAXCHARS*sizeof(char));
MAXCHARS = 2*MAXCHARS;
delete [] unitChars;
unitChars = reAllocArray;
//cout << "\n Reallocated Memory to: " << MAXCHARS;
}
}
}// For each char in the line:
for (int T=initialNumberOfTokens; T < tokens.size(); ++T) {
lineNumbers.push_back (cLineNum);
}
}//--------------------------------------------------------------
//cout << "\n\n";
//for (int k=0; k<tokens.size(); ++k) {
// cout << "\n\t\t : " << tokens[k];
//}
delete [] textLine; delete [] firstWord; delete [] unitChars;
textLine = NULL; firstWord = NULL; unitChars = NULL;
makeXMLgraphicalStructure (tokens);
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!
char *
XMLparser::makeString (vector<char> & unitChars) {
char *bug = new char[unitChars.size()+1];
int k = 0;
for (k=0; k<unitChars.size(); ++k)
bug[k] = unitChars[k];
bug[k] = '\0';
unitChars.clear();
return bug;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!
char *
XMLparser::makeString (char* & unitChars, int & uc) {
/*
int skip = 0;
for (int i=0; i<uc; ++i) {
if (unitChars[i] == ' ' || unitChars[i] == '\t' || unitChars[i] == '\n') {
skip ++;
continue;
}
break;
}
if (skip == uc) return NULL;
*/
char *bug = new char[uc+1];
int k = 0; //skip
for (k=0; k<uc; ++k)
bug[k] = unitChars[k];
bug[k] = '\0'; /*
if (uc < 3) {
cout << "\n CONTENT [" << bug <<"]";
getchar();
} */
uc = 0;
return bug;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!
XMLparser::XMLparser () {
fileName = NULL; MAXCHARS=1; unitChars = new char[MAXCHARS];
firstWord = NULL; textLine = NULL; xsdParser = NULL;
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!
void
XMLparser::print() {
cout << "\n\n ----------- xmlParser----printing [" << fileName << "]------["
<< elementList.size() << "] Elements";
for (int k=0; k<elementList.size(); ++k) {
elementList[k]->print(1);
}
}//!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!_!
bool
XMLparser::shortHandReadRootElements (char *fileName) {
this->reset();
this->fileName = fileName; fin.open (fileName, ios::in);
if (!fin.good()) {
cout << "\n XMLparser::Unable to read the file: " << fileName;
return false;
}
//assert (fin.good());
char ch, *word;
if (textLine == NULL) textLine = new char[1000];
if (firstWord == NULL) firstWord = new char[1000];
stack<int> rElStack;
int uc = 0;// MAXCHARS=1;
//char *unitChars = new char[MAXCHARS];
int cLineNum = 0;
bool elementExpected = false;
long int pBeginLine;
XMLelement *rootElement = NULL;
bool elmAlert=false;
vector<char*> bufferedNames;
//------------------------------------------------------------
while (!fin.eof()) {
pBeginLine = fin.tellg();
fin.getline (textLine, 300); assert (strlen(textLine) < 299);
sscanf (textLine, "%s", firstWord); //cout << "\n firstWord: " << firstWord;
cLineNum ++;
if (firstWord[0] == '%' || strlen(textLine) < 2) { continue; }
// rootElement = NULL;
//cout << "\n " << textLine;
// TOKENIZE < > </ /> =
int lineLength = strlen (textLine);
for (int k=0; k<lineLength; ++k) {
if (textLine[k] == '<') {
if (k != lineLength-1 && textLine[k+1] == '/') {
rElStack.pop();
elmAlert = false;
} else {
if (rElStack.empty()) {
rootElement = new XMLelement;
elmAlert = true;
elementList.push_back (rootElement);
rootElement->filePointer = pBeginLine;
}
rElStack.push (1);
}
uc = 0;
} else if (textLine[k] == '=') {
if (uc > 0) {
if (elmAlert) {
bufferedNames.push_back (makeString(unitChars, uc));
}
}
uc = 0;
} else if (textLine[k] == '/') {
if (k != lineLength-1 && textLine[k+1] == '>') {
rElStack.pop();
if (uc > 0 && elmAlert) {
bufferedNames.push_back (makeString(unitChars, uc));
}
if (elmAlert)
rootElement->assignAttributes (bufferedNames);
elmAlert = false;
uc = 0;
} else {
unitChars[uc++] = textLine[k];
if (uc >= MAXCHARS-10) {
char *reAllocArray = new char[2*MAXCHARS];
memcpy (reAllocArray, unitChars, MAXCHARS*sizeof(char));
MAXCHARS = 2*MAXCHARS;
delete [] unitChars;
unitChars = reAllocArray;
//cout << "\n Reallocated Memory to: " << MAXCHARS;
}
}
} else if (textLine[k] == '>') {
if (uc > 0 && elmAlert) {
bufferedNames.push_back (makeString(unitChars, uc));
}
if (elmAlert)
rootElement->assignAttributes (bufferedNames);
elmAlert = false;
uc = 0;
} else if (textLine[k] == ' ' || textLine[k] == '\t') {
if (uc > 0 && elmAlert) {
bufferedNames.push_back (makeString(unitChars, uc));
}
uc = 0;
} else {
if (textLine[k] != '\"')
unitChars[uc++] = textLine[k];
if (uc >= MAXCHARS-10) {
char *reAllocArray = new char[2*MAXCHARS];
memcpy (reAllocArray, unitChars, MAXCHARS*sizeof(char));
MAXCHARS = 2*MAXCHARS;
delete [] unitChars;
unitChars = reAllocArray;
//cout << "\n Reallocated Memory to: " << MAXCHARS;
}
}
}// For each char in the line:
}//--------------------------------------------------------------
return true;
//cout << "\n\n ROOT Elements -------------------- ";
for (int k=0; k<elementList.size(); ++k) {
// elementList[k]->print();
elementList[k]->readFullElement (this);
}
for (int k=0; k<elementList.size(); ++k) {
elementList[k]->freeUp();
}
for (int k=0; k<elementList.size(); ++k) {
elementList[k]->print(1);
}
return true;
getchar();
for (int k=0; k<elementList.size(); ++k) {
elementList[k]->readFullElement (this);
}