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= XMLTreeEditingFunctions=

<<hr>[[Dev:Source/Development/Projects/Blender File Format/XML/SourceCode|Back]]<hr> [[Dev:Source/Development/Projects/Blender File Format/XML|home]] <hr>[[Dev:Source/Development/Projects/Blender File Format/XML/TreeNavigationFunctions|Next]]<hr>>

== Tree Editing Code==

<source lang="cpp">
xml_object *XML_create_tag(char *name, int content_type, char *content)
{ xml_object *xml; xml = MEM_callocN(sizeof(xml_object), "xml"); strcpy(xml->tagName, name); xml->contentType = content_type; strcpy(xml->content, content); return xml;
}

xml_doc *XML_create_doc(char *name)
{ /* create the root tag object and set the cursor to it */ xml_doc *doc; xml_object * xml; xml = XML_create_tag(name, 0, ""); doc = MEM_callocN(sizeof(xml_doc), "doc"); doc->root = xml; doc->cursor = xml; return doc;
}

/* tree editing functions */
int XML_insert_tag(xml_doc *doc, int place, xml_object *tag)
{ xml_object *xmlCursor = doc->cursor;
/* test for Document root and react accordingly. */ if (doc->root == doc->cursor) { /* we are at the document root */ /* insert the tag Personal note: use BLI_addtail(doc->cursor->parent->child_list, tag) or BLI_addhead for adding to a list - jeremy*/ if (xmlCursor->child_list.first == 0) { /* has no children */ xmlCursor->child_list.first = tag; xmlCursor->child_list.last = tag; } else { BLI_addtail(xmlCursor->child_list, tag); } } else { /* check whether we are inserting tag before or after */ if (place == 1) { /* inserting after */ BLI_insertlink(xmlCursor->parent->child_list, xmlCursor, tag); } else { /* inserting before */ BLI_insertlinkbefore(xmlCursor->parent->child_list, xmlCursor, tag); } } tag->parent = xmlCursor->parent; /* set the tags parent */ doc->cursor = tag; /* set the cursor to the added tag */ return 1;
}

void XML_insert_child(xml_doc *doc, xml_object *tag)
{ BLI_addtail(doc->cursor->child_list, tag); /* insert the tag at the end of the child list */ tag->parent = doc->cursor; doc->cursor = tag;/* set cursor to the inserted tag */
}

int remove_children(xml_object *tag)
{ xml_object *child; ListBase *child_list = &tag->child_list; /* test for children */ if (child_list->first) { child = tag->child_list.first; /* loop through children */ while (child) { /* for each child test for children if it has children call remove_children for that child. */ if (child->child_list.first) { if (remove_children(child)) return 0; } BLI_remlink(child_list, child); MEM_freeN(child); } } return 1;
}

int XML_remove_tag(xml_doc *doc, xml_object *tag)
{ /* check for children */ if (tag->child_list.first) { /* remove all children recursively */ if (remove_children(tag)) { printf("Failed to remove %s's Children in function XML_remove_tag", tag->tagName); return 0; } } /* check to see if tag is root */ if (doc->root == tag) { doc->cursor = NULL; doc->root = NULL; } else { /* set cursor to the previous tag or parent */ doc->cursor = tag->parent; } /* remove curent tag */ if (tag->prop_list.first) BLI_freelistN(tag->prop_list); BLI_remlink(tag->parent->child_list, tag); /* remove tag from list document */ MEM_freeN(tag); /* free memory used by tag */ return 1;
}

/* Tag editing functions and reading functions */
char *XML_get_current_content(xml_doc *doc)
{ char content[128]; strcpy(content, doc->cursor->content); return content;

}

int XML_set_current_content(char *content, xml_doc *doc)
{ if (strlen(content) < 128) { strcpy(doc->cursor->content, content); return 1; } else { return 0; }
}

xml_property *XML_get_current_proplist(xml_doc *doc)
{ xml_property *property; doc->cursor->prop_list.first = property; return property;
}

int XML_insert_property(char *propName, char *value)
{ xml_property *property; property = MEM_callocN(sizeof(xml_property), "property"); if (strlen(propName) < 32) { strcpy(property->propName, propName); return 1; } else { return 0; } if (strlen(propName) < 128) { strcpy(property->value, value); return 1; } else { return 0; }
}

</source>

<<hr>[[Dev:Source/Development/Projects/Blender File Format/XML/SourceCode|Back]]<hr> [[Dev:Source/Development/Projects/Blender File Format/XML|home]] <hr>[[Dev:Source/Development/Projects/Blender File Format/XML/TreeNavigationFunctions|Next]]<hr>>

-- [[BlenderDev/DeveloperWikiJeremyWall|DeveloperWikiJeremyWall]] - 11 Dec 2004
[[Category:Script]]

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