gecko-dev/tools/dreftool/CToken.cpp
1999-08-04 19:44:15 +00:00

246 lines
5.1 KiB
C++

/*================================================================*
Copyright © 1998 Rick Gessner. All Rights Reserved.
*================================================================*/
#include "CToken.h"
#include "CScanner.h"
#include "nsCRT.h"
static int TokenCount=0;
/**************************************************************
And now for the CToken...
**************************************************************/
/**
* Default constructor
*
* @update gess 7/21/98
*/
CToken::CToken(int aTag) : mTextValue() {
mTypeID=aTag;
mAttrCount=0;
TokenCount++;
}
/**
* Constructor with string for tagname assignment
*
* @update gess 3/25/98
* @param nsCString--name of token
*/
CToken::CToken(const nsCString& aName) : mTextValue(aName) {
mTypeID=0;
mAttrCount=0;
TokenCount++;
}
/**
* constructor from char*
*
* @update gess 3/25/98
* @param aName--char* containing name of token
*/
CToken::CToken(const char* aName) : mTextValue(aName) {
mTypeID=0;
mAttrCount=0;
TokenCount++;
}
/**
* Decstructor
*
* @update gess 3/25/98
*/
CToken::~CToken() {
}
/**
* This method gets called when a token is about to be reused
* for some other purpose. The token should initialize itself
* to some reasonable default values.
* @update gess7/25/98
* @param aTag
* @param aString
*/
void CToken::reinitialize(int aTag, const nsCString& aString){
if(0==aString.Length())
mTextValue.Truncate(0);
else mTextValue.SetString(aString);
mAttrCount=0;
mTypeID=aTag;
mAttrCount=0;
}
/**
* Virtual method used to tell this toke to consume his
* valid chars.
*
* @update gess 3/25/98
* @param aChar -- first char in sequence
* @param aScanner -- object to retrieve data from
* @return int error code
*/
int CToken::consume(PRUnichar aChar,CScanner& aScanner) {
int result=kNoError;
return result;
}
/**
* This debug method causes the token to dump its content
* to the given stream (formated for debugging).
*
* @update gess 3/25/98
* @param ostream -- output stream to accept output data
*/
void CToken::debugDumpToken(ostream& anOutputStream) {
anOutputStream << "[" << getClassName() << "] ";
int i=0;
for(i=0;i<mTextValue.Length();i++){
anOutputStream << char(mTextValue.CharAt(i));
}
anOutputStream << ": " << mTypeID << endl;
}
/**
* This debug method causes the token to dump its content
* to the given stream, formated as text.
*
* @update gess 3/25/98
* @param ostream -- output stream to accept output data
*/
void CToken::debugDumpSource(ostream& anOutputStream) {
char buf[256];
mTextValue.ToCString(buf,sizeof(buf)-1);
anOutputStream << buf << endl;
}
/**
* setter method that changes the string value of this token
* @update gess5/11/98
* @param name is a char* value containing new string value
*/
void CToken::setStringValue(const char* name){
mTextValue=name;
}
/**
* This method retrieves the value of this internal string.
*
* @update gess 3/25/98
* @return nsCString reference to internal string value
*/
nsCString& CToken::getStringValue(void) {
return mTextValue;
}
/**
* Retrieve string value of the token
* @update gess5/11/98
* @return current int value for this token
*/
int CToken::getIntValue(int& anErrorCode){
return mTextValue.ToInteger(&anErrorCode,10);
}
/**
* Retrieve string value of the token
* @update gess5/11/98
* @return reference to string containing string value
*/
float CToken::getFloatValue(int& anErrorCode){
return mTextValue.ToFloat(&anErrorCode);
}
/**
* This method retrieves the value of this internal string
* as a nsCString.
*
* @update gess 3/25/98
* @return char* rep of internal string value
*/
char* CToken::getStringValue(char* aBuffer, int aMaxLen) {
strcpy(aBuffer,"string");
return aBuffer;
}
/**
* sets the internal ordinal value for this token.
* This method is deprecated, and will soon be going away.
*
* @update gess 3/25/98
* @param value -- new ordinal value for this token
*/
void CToken::setTypeID(int aTypeID) {
mTypeID=aTypeID;
}
/**
* Retrieves copy of internal ordinal value.
* This method is deprecated, and will soon be going away.
*
* @update gess 3/25/98
* @return int containing ordinal value
*/
int CToken::getTypeID(void) {
return mTypeID;
}
/**
* sets the attribute count for this token
*
* @update gess 3/25/98
* @param value -- new attr count
*/
void CToken::setAttributeCount(int value) {
mAttrCount=value;
}
/**
* Retrieves copy of attr count for this token
*
* @update gess 3/25/98
* @return int containing attribute count
*/
int CToken::getAttributeCount(void) {
return mAttrCount;
}
/**
* Retrieve type of token. This class returns -1, but
* subclasses return something more meaningful.
*
* @update gess 3/25/98
* @return int value containing token type.
*/
int CToken::getTokenType(void) {
return -1;
}
/**
* retrieve this tokens classname.
*
* @update gess 3/25/98
* @return char* containing name of class
*/
const char* CToken::getClassName(void) {
return "token";
}
/**
*
* @update gess 3/25/98
*/
void CToken::selfTest(void) {
#ifdef _debug
#endif
}