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 <glib.h> // g_assert()
  16
  17 #include "xml/simple-document.h"
  18 #include "xml/event-fns.h"
  19 #include "xml/element-node.h"
  20 #include "xml/text-node.h"
  21 #include "xml/comment-node.h"
  22 #include "xml/pi-node.h"
  23
  24 namespace Inkscape {
  25
  26 namespace XML {
  27
  28 void SimpleDocument::_initBindings() {
  29     _bindDocument(*this);
  30 }
  31
  32 void SimpleDocument::beginTransaction() {
  33     g_assert(!_in_transaction);
  34     _in_transaction = true;
  35 }
  36
  37 void SimpleDocument::rollback() {
  38     g_assert(_in_transaction);
  39     _in_transaction = false;
  40     Event *log = _log_builder.detach();
  41     sp_repr_undo_log(log);
  42     sp_repr_free_log(log);
  43 }
  44
  45 void SimpleDocument::commit() {
  46     g_assert(_in_transaction);
  47     _in_transaction = false;
  48     _log_builder.discard();
  49 }
  50
  51 Inkscape::XML::Event *SimpleDocument::commitUndoable() {
  52     g_assert(_in_transaction);
  53     _in_transaction = false;
  54     return _log_builder.detach();
  55 }
  56
  57 Node *SimpleDocument::createElement(char const *name) {
  58     return new ElementNode(g_quark_from_string(name), this);
  59 }
  60
  61 Node *SimpleDocument::createTextNode(char const *content) {
  62     return new TextNode(Util::share_string(content), this);
  63 }
  64
  65 Node *SimpleDocument::createComment(char const *content) {
  66     return new CommentNode(Util::share_string(content), this);
  67 }
  68
  69 Node *SimpleDocument::createPI(char const *target, char const *content) {
  70     return new PINode(g_quark_from_string(target), Util::share_string(content), this);
  71 }
  72
  73 void SimpleDocument::notifyChildAdded(Node &parent,
  74                                       Node &child,
  75                                       Node *prev)
  76 {
  77     if (_in_transaction) {
  78         _log_builder.addChild(parent, child, prev);
  79     }
  80 }
  81
  82 void SimpleDocument::notifyChildRemoved(Node &parent,
  83                                         Node &child,
  84                                         Node *prev)
  85 {
  86     if (_in_transaction) {
  87         _log_builder.removeChild(parent, child, prev);
  88     }
  89 }
  90
  91 void SimpleDocument::notifyChildOrderChanged(Node &parent,
  92                                              Node &child,
  93                                              Node *old_prev,
  94                                              Node *new_prev)
  95 {
  96     if (_in_transaction) {
  97         _log_builder.setChildOrder(parent, child, old_prev, new_prev);
  98     }
  99 }
 100
 101 void SimpleDocument::notifyContentChanged(Node &node,
 102                                           Util::ptr_shared<char> old_content,
 103                                           Util::ptr_shared<char> new_content)
 104 {
 105     if (_in_transaction) {
 106         _log_builder.setContent(node, old_content, new_content);
 107     }
 108 }
 109
 110 void SimpleDocument::notifyAttributeChanged(Node &node,
 111                                             GQuark name,
 112                                             Util::ptr_shared<char> old_value,
 113                                             Util::ptr_shared<char> new_value)
 114 {
 115     if (_in_transaction) {
 116         _log_builder.setAttribute(node, name, old_value, new_value);
 117     }
 118 }
 119
 120 }
 121
 122 }
 123
 124 /*
 125   Local Variables:
 126   mode:c++
 127   c-file-style:"stroustrup"
 128   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 129   indent-tabs-mode:nil
 130   fill-column:99
 131   End:
 132 */
 133 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :