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source\lib\prj\gtsave.g
  1 /******************************************************************************
  2 *
  3 * Copyright (C) 2006, The Gentee Group. All rights reserved. 
  4 * This file is part of the Gentee open source project - http://www.gentee.com. 
  5 * 
  6 * THIS FILE IS PROVIDED UNDER THE TERMS OF THE GENTEE LICENSE ("AGREEMENT"). 
  7 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS FILE CONSTITUTES RECIPIENTS 
  8 * ACCEPTANCE OF THE AGREEMENT.
  9 *
 10 * ID: gt2save 29.09.06 0.0.A.
 11 *
 12 * Author: Alexey Krivonogov ( gentee )
 13 *
 14 ******************************************************************************/
 15 
 16 type gtsave
 17 {
 18    uint off     // The offset of the first level
 19    uint offstep // The offset of the next level
 20    uint inside  // If body len < inside then <name = body
 21    uint endname // </name> or /name>
 22 }
 23 
 24 // Save gt2item to a string 
 25 method str gtitem.save( str ret, gtsave gt2s )
 26 {
 27    subfunc attr2text( str in )
 28    {
 29       uint space slash q dq i
 30       
 31       slash = in.findch( '/', 0 )
 32       if ( space = in.findch( ' ', 0 )) < *in ||
 33          slash < *in
 34       {
 35          dq = in.findch( '"', 0 )
 36          if dq < *in
 37          {
 38             if ( q = in.findch( ''', 0 )) < *in
 39             {
 40                fornum i, *in
 41                {
 42                   switch in[ i ]
 43                   { 
 44                      case '"',''','/'
 45                      {
 46                         int2str( ret, "&x%02x;", in[i] ) 
 47                      } 
 48                      default : ret.appendch( in[i] ) 
 49                   } 
 50                }           
 51             }
 52             else : ret += "'\(in)'"  
 53          }  
 54          else : ret += "\"\(in)\""
 55       }
 56       else : ret += in 
 57    }
 58    
 59    gtitems  gt2is
 60    str      soff name
 61    uint     i inside   
 62    
 63    soff = " ".repeat( gt2s.off )
 64    
 65    if this.iscomment() 
 66    {
 67       return ret += "\( soff )<-\( this.value() )->\l"
 68    }
 69    if this.isroot()
 70    {
 71       foreach  curroot, this.items( gt2is ) : curroot.save( ret, gt2s )
 72       return ret
 73    }
 74    name = this.name()
 75    name.setlen( name.findch( ' ', 0 ))   
 76    ret += "\( soff )<\(name)"
 77    if *this.value() < gt2s.inside
 78    {
 79       if *this.value()
 80       { 
 81          ret += " = "
 82          attr2text( this.value() )
 83       }
 84       inside = 1
 85    } 
 86    fornum i = 1, *this.val
 87    {
 88       ret += " \(this.val[i].name)"
 89       if *this.val[i].value
 90       {
 91          ret += " = "
 92          attr2text( this.val[i].value )
 93       }
 94    }
 95    if inside && !this.ischild()  
 96    {
 97       if name != "_" && gt2s.endname : ret += " /\(name)>\l"
 98       else : ret += " />\l"
 99       return ret
100    }
101    else : ret += " >\l"
102    
103    gt2s.off += gt2s.offstep
104    foreach  cur, this.items( gt2is )
105    {
106       cur.save( ret, gt2s )
107    }
108    gt2s.off -= gt2s.offstep
109    
110    if !inside
111    {
112       i = 0
113       while ( inside = this.value().findchfrom( '<', i )) < *this.value()
114       {   
115          ret.append( this.value().ptr() + i, inside - i )
116          if !inside || this.value()[ inside + 1 ] == '/' 
117          {
118             int2str( ret, "&x%02x;", '<' )
119          }
120          else : ret.appendch( '<' )
121          i = inside + 1 
122       }
123       ret.append( this.value().ptr() + i, inside - i )
124       if *this.value() : ret += "\l"
125    }
126    if name != "_" && gt2s.endname : ret += "\(soff)</\(name)>\l"
127    else : ret += "\(soff)</>\l"
128    return ret
129 }
130 
131 method uint gt.write( str filename, gtsave gt2s )
132 {
133    str  stemp
134    
135    this.root().save( stemp, gt2s ) 
136    return stemp.write( filename )  
137 }
138 
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