mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-11 02:10:17 +01:00
518 lines
13 KiB
C++
518 lines
13 KiB
C++
/*========================================================
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To Do:
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1. Tag sequences on the command line p..table
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2. Dumping documents into the right place
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*========================================================*/
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/*========================================================
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Special keywords:
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$0..$9: represent command line arguments
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@file: the name of the file being writtent
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@nextfile: the name of the next file to be written
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@import: imports text from another file.
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*========================================================*/
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#include <iostream.h>
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#include <fstream.h>
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#include <strstrea.h>
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#include <string>
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#include <stdlib.h>
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#include <errno.h>
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#include <time.h>
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#include <direct.h>
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static char* tagTable[] = {
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"A", "ABBR", "ACRONYM", "ADDRESS", "APPLET", "AREA",
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"B", "BASE", "BASEFONT", "BDO", "BGSOUND", "BIG", "BLINK", "BLOCKQUOTE", "BODY", "BR", "BUTTON",
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"CAPTION", "CENTER", "CITE", "CODE", "COL", "COLGROUP",
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"DD", "DEL", "DFN", "DIR", "DIV", "DL", "DT",
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"EM", "EMBED",
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"FIELDSET", "FONT", "FORM", "FRAME", "FRAMESET",
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"H1", "H2", "H3", "H4", "H5", "H6", "HEAD", "HR", "HTML",
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"I", "IFRAME", "ILAYER", "IMG", "INPUT", "INS", "ISINDEX",
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"KBD", "KEYGEN",
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"LABEL", "LAYER", "LEGEND", "LI", "LINK", "LISTING",
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"MAP", "MENU", "META", "MULTICOL",
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"NOBR", "NOEMBED", "NOFRAMES", "NOLAYER", "NOSCRIPT",
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"OBJECT", "OL", "OPTGROUP", "OPTION",
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"P", "PARAM", "PLAINTEXT", "PRE",
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"Q",
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"S","SAMP","SCRIPT","SELECT","SERVER","SMALL","SOUND","SPACER","SPAN","STRIKE","STRONG","STYLE","SUB","SUP",
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"TABLE", "TBODY", "TD", "TEXTAREA", "TFOOT", "TH", "THEAD", "TITLE", "TR", "TT",
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"U", "UL",
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"VAR",
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"WBR",
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"XMP",
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0
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};
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static char gCWD[1025];
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static char gPrevFile[128];
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static char gThisFile[128];
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static char gNextFile[128];
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static int gFileIndex=0;
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int findTag(const char* aTagName) {
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int low = 0;
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int high = 107;
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while (low <= high) {
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int middle = (low + high) >> 1;
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int result = stricmp(aTagName, tagTable[middle]);
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if (result == 0)
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return middle;
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if (result < 0)
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high = middle - 1;
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else
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low = middle + 1;
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}
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return -1;
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}
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/**
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* Call this to find a tag that closely resembles the given tag.
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* Note that we match based on the first char.
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* @update gess12/23/98
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* @param
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* @return
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*/
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int findNearestTag(char* aTag){
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int result=-1;
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if(aTag){
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char theChar=toupper(aTag[0]);
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int theIndex=-1;
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while(tagTable[++theIndex]){
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if(toupper(tagTable[theIndex][0])==theChar) {
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return theIndex;
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}
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}
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}
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if(toupper(aTag[0])<'A')
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result=0;
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else result=107;
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return result;
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}
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char* getNthTagAfter(int aRangeIndex,char* aStartTag){
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int theIndex=findTag(aStartTag);
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if(-1==theIndex){
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theIndex=findNearestTag(aStartTag);
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}
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if(-1<theIndex){
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//now that you have the tag,
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return tagTable[theIndex+aRangeIndex];
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}
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return 0;
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}
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/**
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*
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* @update gess12/20/98
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* @param
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* @return
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*/
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class CMacros {
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public:
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CMacros() {
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mCount=0;
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mFilename[0]=0;
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memset(mKeys,0,sizeof(mKeys));
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memset(mRanges,0,sizeof(mRanges));
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memset(mIndex,0,sizeof(mIndex));
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mBorrowedKeys=false;
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}
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CMacros(const CMacros& aCopy) {
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mBorrowedKeys=true;
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mCount=aCopy.mCount;
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strcpy(mFilename,aCopy.mFilename);
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memcpy(mKeys,aCopy.mKeys,sizeof(mKeys));
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memcpy(mIndex,aCopy.mIndex,sizeof(mIndex));
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}
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~CMacros(){
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if(!mBorrowedKeys) {
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for(int i=0;i<mCount;i++){
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delete [] mKeys[i];
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mKeys[i]=0;
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}
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}
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}
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bool addMacro(char* aString) {
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//copy a macro name...
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//start by stripping off the macro key (everything up to the equal sign...
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if(aString){
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int sLen=strlen(aString);
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if(sLen>0){
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if((strchr(aString,',')) || (strchr(aString,'-'))) {
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mRanges[mCount]=new char[sLen+1];
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strcpy(mRanges[mCount++],aString);
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}
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else {
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mKeys[mCount]=new char[sLen+1];
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strcpy(mKeys[mCount++],aString);
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}
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return true;
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}
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}
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return false;
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}
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int getCount() {return mCount;}
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char* getMacro(int anIndex) {
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if(anIndex<mCount)
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return mKeys[anIndex];
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return 0;
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}
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char* getFilename(void) {return mFilename;}
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char* getRangeValueAt(char* aRange,int aRangeIndex) {
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static char theBuffer[100];
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char* result=0;
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char* p1=aRange;
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char* p2=0;
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int offset=0;
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int count=-1;
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theBuffer[0]=0;
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if(p2=strchr(&aRange[offset],',')) {
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//in this case, our keys are taken 1 at a time from the range itself.
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while((++count<aRangeIndex) && (p1) && (p2)) {
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p1=p2+1;
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p2=strchr(p1,',');
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}
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if(p1 && (count==aRangeIndex)) {
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strncat(theBuffer,p1,p2-p1);
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}
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result=theBuffer;
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}
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else if(p2=strchr(&aRange[offset],'-')) {
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//in this case, our keys are computed based on HTMLTags within the given range (exclusive).
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strncat(theBuffer,p1,p2-p1);
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char* tag=getNthTagAfter(aRangeIndex,theBuffer);
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p2++; //p2 now points at the last item...
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if(tag){
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int end=findNearestTag(p2);
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char* endTag=tagTable[end];
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if(endTag){
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int icmp=stricmp(tag,endTag);
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if(icmp<=0){
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strcpy(theBuffer,tag);
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}
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else theBuffer[0]=0;
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result=theBuffer;
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}
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else result=0;
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}
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}
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return result;
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}
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bool first(void) {
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bool result=true;
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for(int i=0;i<mCount;i++){
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mIndex[i]=0;
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if(mRanges[i]){
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char* key=getRangeValueAt(mRanges[i],mIndex[i]);
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if(key) {
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if(!mKeys[i])
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mKeys[i]=new char[100];
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strcpy(mKeys[i],key);
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}
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}
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//otherwise key is already set...
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}
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sprintf(gThisFile,"out%i.html",gFileIndex++);
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sprintf(gNextFile,"out%i.html",gFileIndex);
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return result;
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}
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bool next(void) {
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//the trick here is to find the rightmost range and increment it.
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//if it wraps, then reset it to 0, and increment the next range to the left.
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int rangeIndex=mCount;
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bool done=false;
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while((0<=--rangeIndex) && (!done)) {
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if(mRanges[rangeIndex]) {
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//ok, now we know the right most range object.
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//let's see if it can be incremented...
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char* key=getRangeValueAt(mRanges[rangeIndex],++mIndex[rangeIndex]);
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if((0==key) || (0==key[0])){
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mIndex[rangeIndex]=0;
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char* key=getRangeValueAt(mRanges[rangeIndex],mIndex[rangeIndex]);
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}//if
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else done=true;
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mKeys[rangeIndex][0]=0;
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if(key)
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strcpy(mKeys[rangeIndex],key);
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}//if
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}//while
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strcpy(gPrevFile,gThisFile);
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sprintf(gThisFile,"out%i.html",gFileIndex++);
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sprintf(gNextFile,"out%i.html",gFileIndex);
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return done;
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}
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/**
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*
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* @update gess12/23/98
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* @param
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* @return
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*/
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bool consume(istrstream& aStream){
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char theBuffer[100];
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bool readDefs=false;
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while(!aStream.eof()){
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aStream >> theBuffer;
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if(!stricmp(theBuffer,"-F")){
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//copy the filename...
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aStream >> theBuffer;
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strcpy(mFilename,theBuffer);
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readDefs=false;
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}
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#if 0
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else if(!stricmp(theBuffer,"-D")){
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readDefs=true;
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}
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#endif
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else if(!stricmp(theBuffer,"-O")){
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aStream >> theBuffer;
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readDefs=false;
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}
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else {
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if(theBuffer[0]){
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addMacro(theBuffer);
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theBuffer[0]=0;
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}
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}
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}
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return true;
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}
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void buildArgBuffer(char* aBuffer) {
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aBuffer[0]=0;
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if(mFilename[0]) {
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sprintf(aBuffer,"-o %s -f %s ",gThisFile,mFilename);
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}
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for(int i=0;i<mCount;i++){
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if(mKeys[i]) {
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strcat(aBuffer,mKeys[i]);
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strcat(aBuffer," ");
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}
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}
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}
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void dump(void) {
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for(int i=0;i<mCount;i++){
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cout << mKeys[i] << " ";
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}
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cout << endl;
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}
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protected:
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int mCount;
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char* mKeys[100];
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char* mRanges[100];
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int mIndex[100];
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char mFilename[125];
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bool mBorrowedKeys;
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};
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/**
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*
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* @update gess12/20/98
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* @param
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* @return
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*/
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void expandKeywords(char* aBuffer,CMacros& aMacroSet){
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char temp[1024];
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char theWord[100];
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temp[0]=0;
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if(strchr(aBuffer,'@')){
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int pos=-1;
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while(aBuffer[++pos]==' ')
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strcat(temp," ");
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istrstream iStr(aBuffer);
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while(!iStr.eof()){
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theWord[0]=0;
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iStr>>theWord;
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char* thePos=strchr(theWord,'@');
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if(thePos){
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strncat(temp,theWord,thePos-theWord);
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if(!strnicmp(thePos,"@file",5)){
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strcat(temp,gThisFile);
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thePos+=5;
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}
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else if(!strnicmp(thePos,"@nextfile",9)){
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strcat(temp,gNextFile);
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thePos+=9;
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}
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else if(!strnicmp(thePos,"@prevfile",9)){
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strcat(temp,gPrevFile);
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thePos+=9;
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}
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strcat(temp,thePos);
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}
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else strcat(temp,theWord);
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strcat(temp," ");
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}
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strcpy(aBuffer,temp);
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}
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}
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/**
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*
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* @update gess12/20/98
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* @param
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* @return
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*/
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void expandMacros(char* aBuffer,CMacros& aMacroSet){
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char temp[1024];
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int rPos=-1;
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int wPos=0;
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if(aBuffer){
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while(aBuffer[++rPos]){
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if('$'==aBuffer[rPos]){
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temp[wPos]=0;
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++rPos; //skip the $...
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int theIndex=aBuffer[rPos]-'0';
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char* theMacro=aMacroSet.getMacro(theIndex);
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if(theMacro){
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strcat(temp,theMacro);
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wPos=strlen(temp);
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}
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}
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else temp[wPos++]=aBuffer[rPos];
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}
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temp[wPos]=0;
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strcpy(aBuffer,temp);
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}
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}
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/**
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*
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* @update gess12/20/98
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* @param
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* @return
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*/
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int processFile(char* aDir,CMacros& aMacroList,fstream& anOutputStream,fstream& anInputStream){
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int result=0;
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if(anInputStream.is_open()){
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bool done=false;
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char theBuffer[1024];
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char* p=0;
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while((!done) && (0==result)){
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anInputStream.getline(theBuffer,sizeof(theBuffer)-1);
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if(anInputStream.gcount()){
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//before doing anything else, expand the macros and keywords...
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expandMacros(theBuffer,aMacroList);
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expandKeywords(theBuffer,aMacroList);
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//Now process each line:
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p=strstr(theBuffer,"@import");
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if(p) {
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//First, see if the line is an htmlgen statement; if so, recurse to read new file...
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char theFilename[1024];
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strcpy(theFilename,"htmlgen -F ");
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p+=8;
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strcat(theFilename,p);
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//If you're here, we found an htmlgen statement.
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// To handle this, we have to:
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// 1. strip off the @htmlgen
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// 2. grab the filename and collect the args,
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// 3. and recurse...
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fstream theInStream(p,ios::in);
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result=processFile(aDir,aMacroList,anOutputStream,theInStream);
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}
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else anOutputStream << theBuffer << endl;
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}
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else done=true;
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}
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}
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return result;
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}
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/**
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* This is where the different combinations of arguments
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* gets constructed and passed on for processing.
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* Note that this is even called when the args have only 1 value.
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* @return error code
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*/
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int iterate(istrstream& aInputArgs){
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int result=0;
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CMacros theArgs;
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theArgs.consume(aInputArgs);
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char theFilename[1024];
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bool done=!theArgs.first();
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while((!done) && (0==result)){
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CMacros theTempArgs(theArgs);
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//theTempArgs.buildArgBuffer(theBuffer);
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// istrstream theArgStream(theBuffer);
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sprintf(theFilename,"%s\\%s",gCWD,gThisFile);
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fstream theOutStream(theFilename,ios::trunc);
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char* theInFile=theArgs.getFilename();
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fstream theInStream(theInFile,ios::in);
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result=processFile(gCWD,theTempArgs,theOutStream,theInStream);
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theArgs.dump();
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done=!theArgs.next();
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}
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return result;
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}
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/**
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*
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* @update gess12/20/98
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* @param
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* @return
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*/
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int main(int argc,char* argv[]){
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int result=0;
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gPrevFile[0]=gThisFile[0]=gNextFile[0];
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if(argc>1){
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char theBuffer[1024];
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theBuffer[0]=0;
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for(int i=1;i<argc;i++){
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strcat(theBuffer,argv[i]);
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strcat(theBuffer," ");
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}
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_getcwd(gCWD,sizeof(gCWD)-1);
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istrstream aStrStream(theBuffer);
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result=iterate(aStrStream);
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}
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else cout<<endl <<"HTMLGenerator usage -f filename [yyy | xxx,yyy | xxx-yyy]" << endl;
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return result;
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}
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