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/*
* Copyright (c) 1994-1999 Vectaport Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
/*
* DrawCatalog implementation.
*/
#include <DrawServ/drawcatalog.h>
#include <DrawServ/drawcomps.h>
#include <GraphUnidraw/edgecomp.h>
#include <GraphUnidraw/graphcomp.h>
#include <GraphUnidraw/nodecomp.h>
#include <OverlayUnidraw/ovimport.h>
#include <TopoFace/topoedge.h>
#include <Attribute/paramlist.h>
#include <ctype.h>
#include <iostream.h>
#include <stdio.h>
#include <string.h>
#include <fstream.h>
/*****************************************************************************/
DrawCatalog::DrawCatalog (
const char* name, Creator* creator
) : FrameCatalog(name, creator) {
_startnode = _endnode = nil;
_edges = nil;
_nodes = nil;
_comps = nil;
}
boolean DrawCatalog::Retrieve (const char* filename, Component*& comp) {
FILE* fptr = nil;
boolean compressed = false;
char* name = strdup(filename);
if (Valid(name, comp)) {
_valid = true;
} else {
filebuf* pfbuf = nil;
if (strcmp(name, "-") == 0) {
FILEBUFP(pfbuf, stdin, input);
_valid = 1;
name = nil;
} else {
fptr = fopen(name, "r");
fptr = OvImportCmd::CheckCompression(fptr, name, compressed);
FILEBUFP(pfbuf, fptr, input);
_valid = fptr ? 1 : 0;
if (compressed) {
int namelen = strlen(name);
if (strcmp(name+namelen-3,".gz")==0) name[namelen-3] = '\0';
else if (strcmp(name+namelen-2,".Z")==0) name[namelen-2] = '\0';
}
}
if (_valid) {
istream in(pfbuf);
const char* command = "drawserv";
int len = strlen(command)+1;
char buf[len];
char ch;
while (isspace(ch = in.get())) {}; in.putback(ch);
ParamList::parse_token(in, buf, len);
if (strcmp(buf, "drawserv") == 0) {
comp = new DrawIdrawComp(in, name, _parent);
_valid = in.good() && ((OverlayComp*)comp)->valid();
} else
_valid = false;
if (_valid && name) {
Forget(comp, name);
Register(comp, name);
} else if (!_valid) {
delete comp;
comp = nil;
}
}
delete pfbuf;
}
if (fptr) {
if (compressed)
fclose(fptr);
else
pclose(fptr);
}
delete name;
return _valid;
}
OverlayComp* DrawCatalog::ReadComp(const char* name, istream& in, OverlayComp* parent) {
OverlayComp* child = nil;
if (strcmp(name, "edge") == 0) {
child = new EdgeComp(in, parent);
EdgeComp* comp = (EdgeComp*)child;
_startnode[_edge_cnt] = comp->GetStartNode();
_endnode[_edge_cnt] = comp->GetEndNode();
_edges[_edge_cnt] = comp;
_edge_cnt++;
}
else if (strcmp(name, "node") == 0) {
child = new NodeComp(in, parent);
_nodes[_node_cnt] = (NodeComp*)child;
_node_cnt++;
}
else if (strcmp(name, "graph") == 0)
child = new GraphComp(in, nil, parent);
else
child = OverlayCatalog::ReadComp(name, in, parent);
return child;
}
void DrawCatalog::graph_init(DrawIdrawComp* comps, int num_edge, int num_node) {
delete _startnode;
delete _endnode;
delete _edges;
delete _nodes;
_comps = comps;
_startnode = new int[num_edge];
_endnode = new int[num_edge];
_edges = new EdgeComp*[num_edge];
_nodes = new NodeComp*[num_node];
_num_edge = num_edge;
_num_node = num_node;
_edge_cnt = 0;
_node_cnt = 0;
}
void DrawCatalog::graph_finish() {
for (int i=0; i<_num_edge; i++) {
int start_id = _startnode[i];
int end_id = _endnode[i];
if (start_id < 0 || end_id < 0)
_comps->AppendEdge(_edges[i]);
_edges[i]->AttachNodes(start_id < 0 ? nil : _nodes[start_id],
end_id < 0 ? nil : _nodes[end_id]);
#if defined(GRAPH_OBSERVABLES)
if (start_id >=0 && end_id >=0)
_edges[i]->NodeStart()->attach(_edges[i]->NodeEnd());
#endif
}
delete _startnode; _startnode = nil;
delete _endnode; _endnode = nil;
delete _edges; _edges = nil;
delete _nodes; _nodes = nil;
_comps = nil;
}
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