233 lines
5.2 KiB
C++
233 lines
5.2 KiB
C++
#include <vcl\math.hpp>
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#include <vcl\DB.hpp>
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#include <vcl\DBTables.hpp>
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#include <iostream.h>
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#include <condefs.h>
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#include <string.h>
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#include <stdio.h>
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#include <io.h>
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#pragma hdrstop
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int file_exists(char *filename);
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void Expande( char *Texto, char *Origen );
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int findTAG( FILE *handle, char *TAG );
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char * scanUntil( char *text, char Terminador );
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char * scanUntil( FILE *handle, char Terminador, char *buffer );
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bool SinDecimales;
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//---------------------------------------------------------------------------
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#pragma argsused
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int main(int argc, char **argv)
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{
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if ( argc < 3 )
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{
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cout << "Expansor de Datos\n";
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cout << "-----------------\n\n";
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cout << "Parámetros insuficientes: [documento_a_expandir] [origen_de_datos] \n\n";
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cout << "<EXT ID=\"campo del id\" IDV=\"valor de concordancia\" C=\"campo a mostrar\"></EXT>\n\n";
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} else {
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if ( argc == 4 ) SinDecimales = false; else SinDecimales = true;
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if ( !file_exists( argv[1] ) )
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{
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cout << "El documento a expandir no existe: " << argv[1];
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} else {
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if ( !file_exists( argv[2] ) )
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{
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cout << "El origen de datos no existe: " << argv[2];
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} else
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Expande( argv[1], argv[2] );
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}
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}
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return 0;
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}
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int file_exists(char *filename)
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{
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return (access(filename, 0) == 0);
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}
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/*
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<EXT ID="nombre del ID" IDV="valor que debe tener" C="campo de resultados"></EXT>
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opcionalmente: F="1.16" (factor de multiplicación)
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*/
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void Expande( char *Texto, char *Origen )
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{
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FILE *handle; char digit, buffer[80], *buff;
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AnsiString IDnombre, IDvalor, Campo_n, FactorM, dev;
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float Factor;
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buffer[79] = '\0';
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TTable *TbOrigen;
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TbOrigen = new TTable(0);
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TbOrigen->TableName = AnsiString( Origen );
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try {
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TbOrigen->Active = true;
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} catch(...) {
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puts( "\nERROR GRABE ABRIENDO ORIGEN\n" );
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return;
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}
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if ( (handle = fopen( Texto, "r") ) == NULL)
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{
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return;
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}
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while ( !feof( handle ) )
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{
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if ( findTAG( handle, "<EXT ID=\"" ) )
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{
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IDnombre = AnsiString( scanUntil( handle, '\"', buffer ) );
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findTAG( handle, "IDV=\"" );
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IDvalor = AnsiString( scanUntil( handle, '\"', buffer ) );
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findTAG( handle, "C=\"" );
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Campo_n = AnsiString( scanUntil( handle, '\"', buffer ) );
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scanUntil( handle, '>', buffer ); // Buscamos en buffer si hay parámetros opcionales
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FactorM = AnsiString( buffer );
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digit = FactorM.Pos( "F=\"" );
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if ( TbOrigen->FindField( Campo_n ) == NULL )
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{
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dev = "ERROR ACCEDIENDO AL DESTINO: " + Campo_n + " ";
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} else {
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// Buscamos en la base de datos y...
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try {
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if ( !TbOrigen->Locate( IDnombre, IDvalor, TLocateOptions() << loCaseInsensitive ) )
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dev = "Valor: " + IDvalor + " no encontrado en: " + IDnombre + " ";
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} catch(...) {
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dev = "ERROR ACCEDIENDO AL CAMPO: " + IDnombre + " ";
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}
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}
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if ( digit )
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{
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StrLCopy( buffer, (FactorM.SubString( digit+3, FactorM.Length() - digit+1 ) ).c_str(), 79 );
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scanUntil( buffer, '\"' );
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try {
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Factor = atof( buffer );
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}catch(...){
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dev = "El campo FACTOR debe ser numérico";
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}
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//Aplicamos el Valor del campo deseado X el factor de escala
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try {
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if ( TbOrigen->FindField( Campo_n ) != NULL )
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{
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dev = TbOrigen->FieldByName( Campo_n )->AsString;
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if ( SinDecimales )
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dev = FormatCurr( "###,###,##0;0; ", dev.ToDouble() * Factor );
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//AnsiString( Ceil( dev.ToDouble() * Factor) );
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else
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dev = FormatCurr( "###,###,###.#0;0; ", dev.ToDouble() * Factor );
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}
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} catch( ... ) {
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dev = "El campo: "+Campo_n+" no es NUMERICO ";
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}
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} else {
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//Soltamos el Valor del campo deseado
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if ( TbOrigen->FindField( Campo_n ) != NULL )
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dev = TbOrigen->FieldByName( Campo_n )->AsString;
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}
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printf( "%s", dev.c_str() );
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findTAG( handle, "</EXT>" );
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}
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}
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fclose(handle);
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TbOrigen->Active = false;
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delete TbOrigen;
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}
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char * scanUntil( FILE *handle, char Terminador, char *buffer )
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{
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char digit;
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char *buff;
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int count;
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count = 0;
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buff = buffer;
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digit = fgetc( handle );
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while ( !feof( handle ) && digit != Terminador && count<32 )
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{
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*buff = digit;
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buff ++;
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count ++;
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digit = fgetc( handle );
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}
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*buff = '\0';
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return buffer;
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}
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char * scanUntil( char *text, char Terminador )
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{
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char *buff;
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buff = text;
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while ( *buff != '\0' && *buff != Terminador )
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buff++;
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*buff = '\0';
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return buff;
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}
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int findTAG( FILE *handle, char *TAG )
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{
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char digit; char *TAG2, *TAG3;
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do {
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TAG2 = TAG;
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digit = fgetc( handle );
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while( digit != *TAG2 && !feof(handle) )
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{
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fputchar( digit );
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digit = fgetc( handle );
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}
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while( digit == *TAG2 && !feof( handle ) )
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{
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TAG2++;
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if ( *TAG2 != '\0' )
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digit = fgetc( handle );
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}
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if ( *TAG2 != '\0' )
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{
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TAG3 = TAG;
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while ( TAG3 != TAG2 )
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{
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fputchar( *TAG3 );
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TAG3++;
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}
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fputchar( digit );
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if ( feof( handle ) )
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return 0;
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} else {
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return 1;
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}
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} while( 1 );
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return 0;
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}
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