src/xml/simple-document.cpp

   1 /*
   2  * Inkscape::XML::SimpleDocument - generic XML document implementation
   3  *
   4  * Copyright 2004-2005 MenTaLguY <mental@rydia.net>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * See the file COPYING for details.
  12  *
  13  */
  14
  15 #include "xml/simple-document.h"
  16 #include "xml/event-fns.h"
  17 #include "xml/element-node.h"
  18 #include "xml/text-node.h"
  19 #include "xml/comment-node.h"
  20
  21 namespace Inkscape {
  22
  23 namespace XML {
  24
  25 void SimpleDocument::_initBindings() {
  26     _bindDocument(*this);
  27 }
  28
  29 void SimpleDocument::beginTransaction() {
  30     g_assert(!_in_transaction);
  31     _in_transaction = true;
  32 }
  33
  34 void SimpleDocument::rollback() {
  35     g_assert(_in_transaction);
  36     _in_transaction = false;
  37     Event *log = _log_builder.detach();
  38     sp_repr_undo_log(log);
  39     sp_repr_free_log(log);
  40 }
  41
  42 void SimpleDocument::commit() {
  43     g_assert(_in_transaction);
  44     _in_transaction = false;
  45     _log_builder.discard();
  46 }
  47
  48 Inkscape::XML::Event *SimpleDocument::commitUndoable() {
  49     g_assert(_in_transaction);
  50     _in_transaction = false;
  51     return _log_builder.detach();
  52 }
  53
  54 Node *SimpleDocument::createElement(char const *name) {
  55     return new ElementNode(g_quark_from_string(name));
  56 }
  57
  58 Node *SimpleDocument::createTextNode(char const *content) {
  59     return new TextNode(Util::share_string(content));
  60 }
  61
  62 Node *SimpleDocument::createComment(char const *content) {
  63     return new CommentNode(Util::share_string(content));
  64 }
  65
  66 void SimpleDocument::notifyChildAdded(Node &parent,
  67                                       Node &child,
  68                                       Node *prev)
  69 {
  70     if (_in_transaction) {
  71         _log_builder.addChild(parent, child, prev);
  72     }
  73 }
  74
  75 void SimpleDocument::notifyChildRemoved(Node &parent,
  76                                         Node &child,
  77                                         Node *prev)
  78 {
  79     if (_in_transaction) {
  80         _log_builder.removeChild(parent, child, prev);
  81     }
  82 }
  83
  84 void SimpleDocument::notifyChildOrderChanged(Node &parent,
  85                                              Node &child,
  86                                              Node *old_prev,
  87                                              Node *new_prev)
  88 {
  89     if (_in_transaction) {
  90         _log_builder.setChildOrder(parent, child, old_prev, new_prev);
  91     }
  92 }
  93
  94 void SimpleDocument::notifyContentChanged(Node &node,
  95                                           Util::ptr_shared<char> old_content,
  96                                           Util::ptr_shared<char> new_content)
  97 {
  98     if (_in_transaction) {
  99         _log_builder.setContent(node, old_content, new_content);
 100     }
 101 }
 102
 103 void SimpleDocument::notifyAttributeChanged(Node &node,
 104                                             GQuark name,
 105                                             Util::ptr_shared<char> old_value,
 106                                             Util::ptr_shared<char> new_value)
 107 {
 108     if (_in_transaction) {
 109         _log_builder.setAttribute(node, name, old_value, new_value);
 110     }
 111 }
 112
 113 }
 114
 115 }
 116
 117 /*
 118   Local Variables:
 119   mode:c++
 120   c-file-style:"stroustrup"
 121   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 122   indent-tabs-mode:nil
 123   fill-column:99
 124   End:
 125 */
 126 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :