mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 11:35:58 +00:00
127 lines
2.9 KiB
C++
127 lines
2.9 KiB
C++
////////////////////////////////////////////////////////
|
|
//
|
|
// tree.cpp
|
|
//
|
|
// Loading of the package tree
|
|
//
|
|
//
|
|
// Maarten Bosma, 09.01.2004
|
|
// maarten.paul@bosma.de
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#include "package.hpp"
|
|
#include "expat.h"
|
|
|
|
vector <int> parents;
|
|
|
|
int LoadOptions (TREE* tree);
|
|
|
|
void tree_end (void* tree, const char* tag);
|
|
void tree_start (void* usrdata, const char* tag, const char** arg);
|
|
|
|
int PML_XmlDownload (pTree tree, const char* file, void* usrdata, XML_StartElementHandler start,
|
|
XML_EndElementHandler end, XML_CharacterDataHandler text=0);
|
|
|
|
|
|
// Load the tree
|
|
extern "C" int PML_LoadTree (TREE** tree, char* url, PML_AddItem AddItem)
|
|
{
|
|
// get the memory
|
|
(*tree) = new TREE;
|
|
|
|
// set every to zero
|
|
memset((*tree), 0, sizeof((*tree)));
|
|
|
|
// set addItem callback
|
|
(*tree)->addItem = AddItem;
|
|
|
|
LoadOptions(*tree);
|
|
|
|
return PML_XmlDownload (*tree, url, (void*)(*tree), tree_start, tree_end);
|
|
}
|
|
|
|
// expat callback for start of a "node" tag
|
|
void tree_start (void* usrdata, const char* tag, const char** arg)
|
|
{
|
|
int i, icon = 0;
|
|
static int id = 1;
|
|
|
|
TREE* tree = (TREE*)usrdata;
|
|
|
|
// ignore if tag is the root tag ("tree")
|
|
if(!strcmp(tag, "tree"))
|
|
return;
|
|
|
|
// set the package memory
|
|
tree->packages.resize(id+1);
|
|
memset(&tree->packages[id], 0, sizeof(tree->packages[id]));
|
|
|
|
tree->packages[id].loaded = FALSE;
|
|
tree->packages[id].icon = FALSE;
|
|
tree->packages[id].none = TRUE;
|
|
tree->packages[id].path = NULL;
|
|
tree->packages[id].name = "\0";
|
|
|
|
// read the arguments
|
|
for (i=0; arg[i]; i+=2)
|
|
{
|
|
if(!strcmp(arg[i], "name"))
|
|
{
|
|
tree->packages[id].name = new char [strlen(arg[i+1])+1];
|
|
strcpy(tree->packages[id].name, arg[i+1]);
|
|
}
|
|
|
|
if(!strcmp(arg[i], "icon"))
|
|
{
|
|
icon = atoi(arg[i+1]);
|
|
tree->packages[id].icon = TRUE;
|
|
}
|
|
|
|
if(!strcmp(arg[i], "file"))
|
|
{
|
|
tree->packages[id].path = new char [strlen(arg[i+1])+1];
|
|
strcpy(tree->packages[id].path, arg[i+1]);
|
|
|
|
if(strcmp(tag, "bin"))
|
|
tree->packages[id].inst = TRUE;
|
|
|
|
if(strcmp(tag, "src"))
|
|
tree->packages[id].src_inst = TRUE;
|
|
}
|
|
}
|
|
|
|
if(tree->packages[id].name[0] == '\0') return;
|
|
|
|
// add it
|
|
if(!parents.size())
|
|
{
|
|
if(tree->addItem)
|
|
tree->addItem(id, tree->packages[id].name, 0, icon);
|
|
}
|
|
|
|
// do some manipulation at the parent
|
|
else
|
|
{
|
|
if(tree->addItem)
|
|
tree->addItem(id, tree->packages[id].name, parents.back(), icon);
|
|
|
|
// list as child in the parent node
|
|
tree->packages[parents.back()].children.push_back(id);
|
|
|
|
// this is for the buttons
|
|
tree->packages[parents.back()].inst = tree->packages[parents.back()].inst || tree->packages[id].inst;
|
|
tree->packages[parents.back()].src_inst = tree->packages[parents.back()].src_inst || tree->packages[id].src_inst;
|
|
}
|
|
|
|
parents.push_back(id++);
|
|
}
|
|
|
|
// expat callback for end of a "node" tag
|
|
void tree_end (void* tree, const char* tag)
|
|
{
|
|
// delete last item
|
|
parents.pop_back();
|
|
}
|
|
|