* Copyright (c) 1999-2000, Eric Moon.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions, and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "NodeSetIOContext.h"
#include <algorithm>
#include <cstring>
#include <cstdlib>
#include <Debug.h>
#include <MediaNode.h>
__USE_CORTEX_NAMESPACE
NodeSetIOContext::~NodeSetIOContext() {}
NodeSetIOContext::NodeSetIOContext() :
m_nodeKeyIndex(1) {}
status_t NodeSetIOContext::addNode(
media_node_id node,
const char* key) {
if(node == media_node::null.node)
return B_BAD_VALUE;
for(node_set::const_iterator it = m_nodes.begin();
it != m_nodes.end(); ++it) {
if((*it).second == node) {
if(key &&
(*it).first.Length() &&
strcmp(key, (*it).first.String()) != 0) {
PRINT((
"!!! NodeSetIOContext::addNode(%" B_PRId32 ", '%s'):\n"
" found matching node with key '%s'!\n",
node, key, (*it).first.String()));
}
return B_NOT_ALLOWED;
}
}
if(key)
m_nodes.push_back(node_entry(key, node));
else {
char buffer[16];
sprintf(buffer, "N_%03d", m_nodeKeyIndex++);
m_nodes.push_back(node_entry(buffer, node));
}
return B_OK;
}
status_t NodeSetIOContext::removeNode(
media_node_id node) {
for(node_set::iterator it = m_nodes.begin();
it != m_nodes.end(); ++it) {
if((*it).second == node) {
m_nodes.erase(it);
return B_OK;
}
}
return B_BAD_VALUE;
}
status_t NodeSetIOContext::removeNodeAt(
uint32 index) {
if(index < 0 || index >= m_nodes.size())
return B_BAD_INDEX;
m_nodes.erase(m_nodes.begin() + index);
return B_OK;
}
uint32 NodeSetIOContext::countNodes() const {
return m_nodes.size();
}
media_node_id NodeSetIOContext::nodeAt(
uint32 index) const {
if(index < 0 || index >= m_nodes.size())
return media_node::null.node;
return m_nodes[index].second;
}
const char* NodeSetIOContext::keyAt(
uint32 index) const {
if(index < 0 || index >= m_nodes.size())
return 0;
return m_nodes[index].first.String();
}
status_t NodeSetIOContext::getKeyFor(
media_node_id node,
const char** outKey) const {
if(node == media_node::null.node)
return B_BAD_VALUE;
for(node_set::const_iterator it = m_nodes.begin();
it != m_nodes.end(); ++it) {
if((*it).second == node) {
*outKey = (*it).first.String();
return B_OK;
}
}
return B_BAD_VALUE;
}
status_t NodeSetIOContext::getNodeFor(
const char* key,
media_node_id* outNode) const {
if(!key || !*key)
return B_BAD_VALUE;
for(node_set::const_iterator it = m_nodes.begin();
it != m_nodes.end(); ++it) {
if(!strcmp((*it).first.String(), key)) {
*outNode = (*it).second;
return B_OK;
}
}
return B_NAME_NOT_FOUND;
}
