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-rw-r--r--src/sp-object.cpp108
1 files changed, 77 insertions, 31 deletions
diff --git a/src/sp-object.cpp b/src/sp-object.cpp
index 85e8a4e9a..420c7b4a6 100644
--- a/src/sp-object.cpp
+++ b/src/sp-object.cpp
@@ -53,8 +53,8 @@
#include "debug/demangle.h"
#include "util/share.h"
#include "util/format.h"
+#include "util/longest-common-suffix.h"
-#include "algorithms/longest-common-suffix.h"
using std::memcpy;
using std::strchr;
using std::strcmp;
@@ -112,6 +112,37 @@ Inkscape::XML::NodeEventVector object_event_vector = {
sp_object_repr_order_changed
};
+// A friend class used to set internal members on SPObject so as to not expose settors in SPObject's public API
+class SPObjectImpl
+{
+public:
+
+/**
+ * Null's the id member of an SPObject without attempting to free prior contents.
+ */
+ static void setIdNull( SPObject* obj ) {
+ if (obj) {
+ obj->id = 0;
+ }
+ }
+
+/**
+ * Sets the id member of an object, freeing any prior content.
+ */
+ static void setId( SPObject* obj, gchar const* id ) {
+ if (obj && (id != obj->id) ) {
+ if (obj->id) {
+ g_free(obj->id);
+ obj->id = 0;
+ }
+ if (id) {
+ obj->id = g_strdup(id);
+ }
+ }
+ }
+};
+
+
static GObjectClass *parent_class;
/**
@@ -177,7 +208,7 @@ sp_object_init(SPObject *object)
object->children = object->_last_child = NULL;
object->parent = object->next = NULL;
object->repr = NULL;
- object->id = NULL;
+ SPObjectImpl::setIdNull(object);
object->_collection_policy = SPObject::COLLECT_WITH_PARENT;
@@ -188,8 +219,8 @@ sp_object_init(SPObject *object)
object->_successor = NULL;
// FIXME: now we create style for all objects, but per SVG, only the following can have style attribute:
- // vg, g, defs, desc, title, symbol, use, image, switch, path, rect, circle, ellipse, line, polyline,
- // polygon, text, tspan, tref, textPath, altGlyph, glyphRef, marker, linearGradient, radialGradient,
+ // vg, g, defs, desc, title, symbol, use, image, switch, path, rect, circle, ellipse, line, polyline,
+ // polygon, text, tspan, tref, textPath, altGlyph, glyphRef, marker, linearGradient, radialGradient,
// stop, pattern, clipPath, mask, filter, feImage, a, font, glyph, missing-glyph, foreignObject
object->style = sp_style_new_from_object(object);
@@ -259,6 +290,10 @@ public:
}
+gchar const* SPObject::getId() const {
+ return id;
+}
+
/**
* Increase reference count of object, with possible debugging.
*
@@ -808,8 +843,7 @@ sp_object_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *rep
}
}
-void
-sp_object_invoke_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr, unsigned int cloned)
+void sp_object_invoke_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr, unsigned int cloned)
{
debug("id=%x, typename=%s", object, g_type_name_from_instance((GTypeInstance*)object));
@@ -820,7 +854,7 @@ sp_object_invoke_build(SPObject *object, SPDocument *document, Inkscape::XML::No
g_assert(object->document == NULL);
g_assert(object->repr == NULL);
- g_assert(object->id == NULL);
+ g_assert(object->getId() == NULL);
/* Bookkeeping */
@@ -837,27 +871,30 @@ sp_object_invoke_build(SPObject *object, SPDocument *document, Inkscape::XML::No
/* If we are not cloned, and not seeking, force unique id */
gchar const *id = object->repr->attribute("id");
if (!document->isSeeking()) {
- gchar *realid = sp_object_get_unique_id(object, id);
- g_assert(realid != NULL);
+ {
+ gchar *realid = sp_object_get_unique_id(object, id);
+ g_assert(realid != NULL);
- object->document->bindObjectToId(realid, object);
- object->id = realid;
+ object->document->bindObjectToId(realid, object);
+ SPObjectImpl::setId(object, realid);
+ g_free(realid);
+ }
/* Redefine ID, if required */
- if ((id == NULL) || (strcmp(id, realid) != 0)) {
- object->repr->setAttribute("id", realid);
+ if ((id == NULL) || (strcmp(id, object->getId()) != 0)) {
+ object->repr->setAttribute("id", object->getId());
}
} else if (id) {
// bind if id, but no conflict -- otherwise, we can expect
// a subsequent setting of the id attribute
if (!object->document->getObjectById(id)) {
object->document->bindObjectToId(id, object);
- object->id = g_strdup(id);
+ SPObjectImpl::setId(object, id);
}
}
}
} else {
- g_assert(object->id == NULL);
+ g_assert(object->getId() == NULL);
}
/* Invoke derived methods, if any */
@@ -909,6 +946,17 @@ void SPObject::releaseReferences() {
this->repr = NULL;
}
+
+SPObject *SPObject::getNext()
+{
+ return next;
+}
+
+SPObject *SPObject::getPrev()
+{
+ return sp_object_prev(this);
+}
+
/**
* Callback for child_added node event.
*/
@@ -982,16 +1030,14 @@ sp_object_private_set(SPObject *object, unsigned int key, gchar const *value)
}
}
- if (object->id) {
- document->bindObjectToId(object->id, NULL);
- g_free(object->id);
+ if (object->getId()) {
+ document->bindObjectToId(object->getId(), NULL);
+ SPObjectImpl::setId(object, 0);
}
if (new_id) {
- object->id = g_strdup((char const*)new_id);
- document->bindObjectToId(object->id, object);
- } else {
- object->id = NULL;
+ SPObjectImpl::setId(object, new_id);
+ document->bindObjectToId(object->getId(), object);
}
g_free(object->_default_label);
@@ -1130,7 +1176,7 @@ sp_object_private_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape
repr->setAttribute("inkscape:collect", NULL);
}
} else {
- repr->setAttribute("id", object->id);
+ repr->setAttribute("id", object->getId());
if (object->xml_space.set) {
char const *xml_space;
@@ -1145,7 +1191,7 @@ sp_object_private_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape
} else {
repr->setAttribute("inkscape:collect", NULL);
}
-
+
SPStyle const *const obj_style = SP_OBJECT_STYLE(object);
if (obj_style) {
gchar *s = sp_style_write_string(obj_style, SP_STYLE_FLAG_IFSET);
@@ -1201,7 +1247,7 @@ SPObject::updateRepr(unsigned int flags) {
}
}
-/** Used both to create reprs in the original document, and to create
+/** Used both to create reprs in the original document, and to create
* reprs in another document (e.g. a temporary document used when
* saving as "Plain SVG"
*/
@@ -1311,7 +1357,7 @@ SPObject::updateDisplay(SPCtx *ctx, unsigned int flags)
}
catch(...)
{
- /** \todo
+ /** \todo
* in case of catching an exception we need to inform the user somehow that the document is corrupted
* maybe by implementing an document flag documentOk
* or by a modal error dialog
@@ -1323,8 +1369,8 @@ SPObject::updateDisplay(SPCtx *ctx, unsigned int flags)
}
/**
- * Request modified always bubbles *up* the tree, as opposed to
- * request display update, which trickles down and relies on the
+ * Request modified always bubbles *up* the tree, as opposed to
+ * request display update, which trickles down and relies on the
* flags set during this pass...
*/
void
@@ -1355,9 +1401,9 @@ SPObject::requestModified(unsigned int flags)
}
}
-/**
+/**
* Emits the MODIFIED signal with the object's flags.
- * The object's mflags are the original set aside during the update pass for
+ * The object's mflags are the original set aside during the update pass for
* later delivery here. Once emitModified() is called, those flags don't
* need to be stored any longer.
*/
@@ -1748,7 +1794,7 @@ SPObject::textualContent() const
for (const SPObject *child = firstChild(); child; child = child->next)
{
Inkscape::XML::NodeType child_type = child->repr->type();
-
+
if (child_type == Inkscape::XML::ELEMENT_NODE) {
GString * new_text = child->textualContent();
g_string_append(text, new_text->str);