First commit 27/02/2001

This commit is contained in:
José David Guillén 2021-09-12 22:07:21 +02:00
commit 3d8ed4020f
6 changed files with 365 additions and 0 deletions

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#ExpansorHTML
*27/02/2001*
ToDo: wwtcf?
![screenshot](/ExpansorHTML.png "Screenshot")

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<?xml version='1.0' encoding='utf-8' ?>
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<PROJECT>
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<VERSION value="BCB.05.03"/>
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<MAINSOURCE value="expansor.cpp"/>
<INCLUDEPATH value="$(BCB)\include;$(BCB)\include\vcl"/>
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<WARNINGS value="-w-par -w-8027 -w-8026"/>
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#include <vcl\math.hpp>
#include <vcl\DB.hpp>
#include <vcl\DBTables.hpp>
#include <iostream.h>
#include <condefs.h>
#include <string.h>
#include <stdio.h>
#include <io.h>
#pragma hdrstop
int file_exists(char *filename);
void Expande( char *Texto, char *Origen );
int findTAG( FILE *handle, char *TAG );
char * scanUntil( char *text, char Terminador );
char * scanUntil( FILE *handle, char Terminador, char *buffer );
bool SinDecimales;
//---------------------------------------------------------------------------
#pragma argsused
int main(int argc, char **argv)
{
if ( argc < 3 )
{
cout << "Expansor de Datos\n";
cout << "-----------------\n\n";
cout << "Parámetros insuficientes: [documento_a_expandir] [origen_de_datos] \n\n";
cout << "<EXT ID=\"campo del id\" IDV=\"valor de concordancia\" C=\"campo a mostrar\"></EXT>\n\n";
} else {
if ( argc == 4 ) SinDecimales = false; else SinDecimales = true;
if ( !file_exists( argv[1] ) )
{
cout << "El documento a expandir no existe: " << argv[1];
} else {
if ( !file_exists( argv[2] ) )
{
cout << "El origen de datos no existe: " << argv[2];
} else
Expande( argv[1], argv[2] );
}
}
return 0;
}
int file_exists(char *filename)
{
return (access(filename, 0) == 0);
}
/*
<EXT ID="nombre del ID" IDV="valor que debe tener" C="campo de resultados"></EXT>
opcionalmente: F="1.16" (factor de multiplicación)
*/
void Expande( char *Texto, char *Origen )
{
FILE *handle; char digit, buffer[80], *buff;
AnsiString IDnombre, IDvalor, Campo_n, FactorM, dev;
float Factor;
buffer[79] = '\0';
TTable *TbOrigen;
TbOrigen = new TTable(0);
TbOrigen->TableName = AnsiString( Origen );
try {
TbOrigen->Active = true;
} catch(...) {
puts( "\nERROR GRABE ABRIENDO ORIGEN\n" );
return;
}
if ( (handle = fopen( Texto, "r") ) == NULL)
{
return;
}
while ( !feof( handle ) )
{
if ( findTAG( handle, "<EXT ID=\"" ) )
{
IDnombre = AnsiString( scanUntil( handle, '\"', buffer ) );
findTAG( handle, "IDV=\"" );
IDvalor = AnsiString( scanUntil( handle, '\"', buffer ) );
findTAG( handle, "C=\"" );
Campo_n = AnsiString( scanUntil( handle, '\"', buffer ) );
scanUntil( handle, '>', buffer ); // Buscamos en buffer si hay parámetros opcionales
FactorM = AnsiString( buffer );
digit = FactorM.Pos( "F=\"" );
if ( TbOrigen->FindField( Campo_n ) == NULL )
{
dev = "ERROR ACCEDIENDO AL DESTINO: " + Campo_n + " ";
} else {
// Buscamos en la base de datos y...
try {
if ( !TbOrigen->Locate( IDnombre, IDvalor, TLocateOptions() << loCaseInsensitive ) )
dev = "Valor: " + IDvalor + " no encontrado en: " + IDnombre + " ";
} catch(...) {
dev = "ERROR ACCEDIENDO AL CAMPO: " + IDnombre + " ";
}
}
if ( digit )
{
StrLCopy( buffer, (FactorM.SubString( digit+3, FactorM.Length() - digit+1 ) ).c_str(), 79 );
scanUntil( buffer, '\"' );
try {
Factor = atof( buffer );
}catch(...){
dev = "El campo FACTOR debe ser numérico";
}
//Aplicamos el Valor del campo deseado X el factor de escala
try {
if ( TbOrigen->FindField( Campo_n ) != NULL )
{
dev = TbOrigen->FieldByName( Campo_n )->AsString;
if ( SinDecimales )
dev = FormatCurr( "###,###,##0;0; ", dev.ToDouble() * Factor );
//AnsiString( Ceil( dev.ToDouble() * Factor) );
else
dev = FormatCurr( "###,###,###.#0;0; ", dev.ToDouble() * Factor );
}
} catch( ... ) {
dev = "El campo: "+Campo_n+" no es NUMERICO ";
}
} else {
//Soltamos el Valor del campo deseado
if ( TbOrigen->FindField( Campo_n ) != NULL )
dev = TbOrigen->FieldByName( Campo_n )->AsString;
}
printf( "%s", dev.c_str() );
findTAG( handle, "</EXT>" );
}
}
fclose(handle);
TbOrigen->Active = false;
delete TbOrigen;
}
char * scanUntil( FILE *handle, char Terminador, char *buffer )
{
char digit;
char *buff;
int count;
count = 0;
buff = buffer;
digit = fgetc( handle );
while ( !feof( handle ) && digit != Terminador && count<32 )
{
*buff = digit;
buff ++;
count ++;
digit = fgetc( handle );
}
*buff = '\0';
return buffer;
}
char * scanUntil( char *text, char Terminador )
{
char *buff;
buff = text;
while ( *buff != '\0' && *buff != Terminador )
buff++;
*buff = '\0';
return buff;
}
int findTAG( FILE *handle, char *TAG )
{
char digit; char *TAG2, *TAG3;
do {
TAG2 = TAG;
digit = fgetc( handle );
while( digit != *TAG2 && !feof(handle) )
{
fputchar( digit );
digit = fgetc( handle );
}
while( digit == *TAG2 && !feof( handle ) )
{
TAG2++;
if ( *TAG2 != '\0' )
digit = fgetc( handle );
}
if ( *TAG2 != '\0' )
{
TAG3 = TAG;
while ( TAG3 != TAG2 )
{
fputchar( *TAG3 );
TAG3++;
}
fputchar( digit );
if ( feof( handle ) )
return 0;
} else {
return 1;
}
} while( 1 );
return 0;
}

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o
esto solo es una prueba <ex
para probar<exro <EXT ID="ID Producto" IDV="cjmtat" C="Nombre del Producto">buscar en la base de datos</EXT>ksldf
<extnew wt rtt
<ext fdgs¤ s<ext fgd
ewrew
rewrewrew
rewr
<EXT ID="campo del id" IDV="valor de concordancia" C="campo a mostrar"></EXT>ewrew
rewrew
rewrew
rewr
<EXT ID="ID Producto" IDV="112" C="Nombre del Producto" F="1.16"></EXT>
ew
<EXT ID="ID Producto" IDV="112" C="Precio Venta 1" ></EXT>
sd
<EXT ID="ID Producto" IDV="112" C="Nombre del Producto" ></EXT> == <EXT ID="ID Producto" IDV="112" C="Precio Venta 1" F="1.16"></EXT>