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/*
* Read Blocks from file and convert to vectors of entities
*
* Author:
* Matt Squires <squiresm@colorado.edu>
*
* Copyright (C) 2005 Matt Squires
*
* Released under GNU GPL and LGPL, read the file 'GPL.txt' and 'LGPL.txt' for details
*/
#include"blocks.h"
#include<iostream>
block::block(std::vector< std::vector< dxfpair > > sections) : entities( sections ){
// Inherit most of the functionality of the entitites section
basic_entity( sections[0] );
block_info( sections[0] );
}
char* block::name(char* string){
return( strcpy(string,block_name) );
}
void block::block_info( std::vector< dxfpair > info){
static char string[10000];
for (int i = 0; i < info.size(); i++){
switch( info[i].group_code ){
case 2: // Block name
strcpy( string," "); // Clear the string out
info[i].value_char(string);
strcpy(block_name,string);
break;
}
}
}
blocks::blocks(std::vector< std::vector< dxfpair > > sections){
// Read the main information about the entities section and then put it in the enetites class
int value;
char string[10000];
std::vector< dxfpair > single_line;
std::vector< std::vector< dxfpair > > ents;
ents.clear();
single_line.clear();
int n_loop = sections.size();
n_loop--;
//for(int i = 0; i < (sections.size()-1); i++){ // It is odd but the last value seems to be bad so don't use it
// I am not really sure if I need the -1. I needed it once upon a time to make things work but I don't have time to test it well right now
// But sections.size() is an unsigned int so when you subtract 1 it becomes 4294967295 and tries to run the loop so work around that by making n_loop that is signed
for(int i = 0; i < n_loop; i++){ // It is odd but the last value seems to be bad so don't use it
sections[i][0].value_char(string);
ents.clear(); // First clear out the pline information
// Get everything from the start of the BLOCK designation to an ENDBLK value
if ( strncmp(string,"BLOCK",5) == 0 && (i < sections.size())){
do{
ents.push_back( sections[i] );
sections[++i][0].value_char(string);
}while( strncmp(string,"ENDBLK",6) != 0 && (i < sections.size()-1) );
blocks_blocks.push_back( block( ents ) );
}
}
}
block blocks::ret_block(char block_name[10000]){
int string_len = 0;
char temp[10000];
for (int i = 0; i < blocks_blocks.size();i++){
string_len = strlen(blocks_blocks[i].name(temp));
if (strncmp(blocks_blocks[i].name(temp),block_name,string_len) == 0 ) return blocks_blocks[i];
}
return blocks_blocks[0];
}
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