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Expander.cpp

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// Expander.cpp : Defines the entry point for the application.
//

#pragma warning(disable: 4786)

#include "expandlib/expandlib-expandable.h"

#include "expandlib/expandlib-vartype-bool.h"
#include "expandlib/expandlib-vartype-numeric.h"
#include "expandlib/expandlib-vartype-text.h"
#include "expandlib/expandlib-vartype-time.h"
#include "expandlib/expandlib-vartype-date.h"
#include "expandlib/expandlib-vartype-list.h"

#include <iostream>

using namespace std;
using namespace expander;

#include <windows.h>
#include <tchar.h>

const int NUMITERATIONS=1000;

#ifdef _UNICODE

  typedef wstring strtype;
# define cout wcout
#else
  typedef string strtype;
#endif

typedef expvartype_text<strtype> EVText;
typedef expvartype_bool<strtype> EVBool;
typedef expvartype_numeric<strtype> EVNum;
typedef expvartype_time<strtype> EVTime;
typedef expvartype_date<strtype> EVDate;
typedef expvartype_list<strtype> EVTextList;

#include "tagz.h"

map<string,string> tagz_vars;

const T_CHAR* my_TAGFUNC(const T_CHAR * tag,void * p);

int main()
{
    // The "expandable", class containing the "to be expanded" string (the source string), as well as a map containing commands
    expandable<strtype> Expje;

    // Destination string
    strtype d;

    // Map containing the different vars
    expandable<strtype>::FVarMapType vars;

    // Results of the expand
    expandresults results;

    // Some vars to measure the performance (not needed)
    LARGE_INTEGER start, end, freq;

    // Some example strings to play with (you need a source and destination string, these are source strings)
//  Expje.set_expstr(_T("${sdate} at ${stime} - This (#if(${muted};==;true;Damn, it's muted;Luckily this isn't muted)) #if(Hallo;==;hallo;gelijk;ongelijk) is:%20100\\% music, at \\$${srate}Hz on my ${dev} in #if(${nchannels};==!;2;#if(${msg};${msg}, this is a test, ;)Stereo, yeah, that's right;#if(${nchannels};==!;1;#if(${msg};${msg} ;)Mono;#if(${nchannels};>!;2;#ltrim(${nchannels};0) channels;zero channels)))!"));
//  Expje.set_expstr(_T("#if(${nchannels}==2;Stereo;Mono)"));
//  Expje.set_expstr(_T("${title}"));
    Expje.set_expstr(_T("#if(${title};${album}\\\\\\\\${artist} - #fpad(${tracknumber};2;0) - ${title};${path} - ${filename})"));

    // The set of variables that is used by the first two source strings above (you need to fill the vars map)
/*  vars[_T("srate")]=new EVText(_T("44100"));
    vars[_T("nchannels")]=new EVText(_T("2"));
    vars[_T("dev")]=new EVText(_T("EWS88MT"));
    vars[_T("msg")]=new EVText(_T(""));
    vars[_T("muted")]=new EVBool(_T("yes"));
    vars[_T("stime")]=new EVTime(_T("04:1"));
    vars[_T("sdate")]=new EVDate(_T("2002-07-31"));
*/
    // The set of variables that is used by the last source string above (you need to fill the vars map)
    vars[_T("filename")]=new EVText(_T("02 - Requiem For Evita.ape"));
    vars[_T("path")]=new EVText(_T("I:\\Audio\\Andrew Lloyd Webber\\Evita (Disc 1)"));
    vars[_T("title")]=new EVText(_T("Requiem For Evita"));
    vars[_T("album")]=new EVText(_T("Evita (Disc 1)"));
//  vars[_T("tracknumber")]=new EVText(_T("2"));
    vars[_T("tracknumber")]=new EVNum(2);
    vars[_T("artist")]=new EVText(_T("Andrew Lloyd Webber"));
    // Some examples of how to use the text list type (btw, I have nothing to do with this song :)
/*
    {
        vector<string> art;
        art.push_back(_T("Andrew Lloyd Webber"));
        art.push_back(_T("Jasper van de Gronde"));
        vars[_T("artist")]=new EVTextList(art.begin(), art.end());
    }
*//*
    {
        _TCHAR * artists[]={_T("Andrew Lloyd Webber"),_T("Jasper van de Gronde")};
        vars[_T("artist")]=new EVTextList(artists, artists+(sizeof(artists)/sizeof(artists[0])));
    }
*//*
    vars[_T("artist")]=new EVTextList(5,_T("Hello"));
*/

    // Just letting the user know what those ugly, escaped strings above look like in real life
    cout << _T("Original: ") << endl;
    cout << Expje.get_expstr() << endl;
    cout << endl;

    // Get the start time
    QueryPerformanceCounter(&start);

    {   // Perform some expands (at least one expand would be recommended :)
        for(int t=0; t<NUMITERATIONS; ++t) {
            d=_T("");
            results.Reset();
            Expje.expandto(d,vars,results);
        }
    }

    // Get the end time, as well as the frequency
    QueryPerformanceCounter(&end);
    QueryPerformanceFrequency(&freq);

    // Produce the output as well as some statistics (these do not count the calls made by, for example, knownvars)
    cout << _T("After parsing: ") << endl;
    cout << d << endl;
    cout << endl;
    cout << _T("Variables processed: ") << results.TotalVars() << endl;
    cout << _T("Variables found:     ") << results.FoundVars() << endl;
    cout << _T("Total duration:      ") << (double(end.QuadPart-start.QuadPart) / double(freq.QuadPart)) << endl;
    cout << _T("Duration per expand: ") << (double(end.QuadPart-start.QuadPart) / double(freq.QuadPart)) / double(NUMITERATIONS) << endl;
    cout << endl;

    // Don't forget to clean up!
    for(expandable<strtype>::FVarMapType::iterator it=vars.begin(); it!=vars.end(); ++it) {
        delete (*it).second;
    }



    // Now test TAGZ

    char * temp=NULL;

    tagz_vars[_T("filename")]=_T("02 - Requiem For Evita.ape");
    tagz_vars[_T("path")]=_T("I:\\Audio\\Andrew Lloyd Webber\\Evita (Disc 1)");
    tagz_vars[_T("title")]=_T("Requiem For Evita");
    tagz_vars[_T("album")]=_T("Evita (Disc 1)");
    tagz_vars[_T("tracknumber")]="2";
    tagz_vars[_T("artist")]=_T("Andrew Lloyd Webber");

    // Get the start time
    QueryPerformanceCounter(&start);

    {   // Perform some expands (at least one expand would be recommended :)
        for(int t=0; t<NUMITERATIONS; ++t) {
            if ( temp ) free(temp);
            temp=tagz_format_r("$if(%title%,%album%\\\\\\\\%artist% - $num(%tracknumber%,2) - %title%,%path% - %filename%)",my_TAGFUNC,NULL,NULL);
        }
    }

    // Get the end time, as well as the frequency
    QueryPerformanceCounter(&end);
    QueryPerformanceFrequency(&freq);

    // Produce the output as well as some statistics (these do not count the calls made by, for example, knownvars)
    cout << _T("After parsing: ") << endl;
    cout << temp << endl;
    cout << endl;
    cout << _T("Total duration:      ") << (double(end.QuadPart-start.QuadPart) / double(freq.QuadPart)) << endl;
    cout << _T("Duration per expand: ") << (double(end.QuadPart-start.QuadPart) / double(freq.QuadPart)) / double(NUMITERATIONS) << endl;
    cout << endl;

    free(temp);


    return 0;
}


const T_CHAR* my_TAGFUNC(const T_CHAR * tag,void * p)
{
    return tagz_vars[tag].c_str();
}

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