aria2/src/XmlRpcRequestParserStateImp...

340 lines
8.9 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2009 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "XmlRpcRequestParserStateImpl.h"
#include <cstring>
#include "XmlRpcRequestParserStateMachine.h"
#include "RecoverableException.h"
#include "util.h"
#include "base64.h"
#include "ValueBase.h"
namespace aria2 {
namespace rpc {
// InitialXmlRpcRequestParserState
void InitialXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "methodCall") == 0) {
psm->pushMethodCallState();
}
else {
psm->pushUnknownElementState();
}
}
void InitialXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
}
// UnknownElementXmlRpcRequestParserState
void UnknownElementXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
psm->pushUnknownElementState();
}
// MethodCallXmlRpcRequestParserState
void MethodCallXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "methodName") == 0) {
psm->pushMethodNameState();
}
else if (strcmp(name, "params") == 0) {
psm->setCurrentFrameValue(List::g());
psm->pushParamsState();
}
else {
psm->pushUnknownElementState();
}
}
// MethodNameXmlRpcRequestParserState
void MethodNameXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
psm->pushUnknownElementState();
}
void MethodNameXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
psm->setMethodName(std::move(characters));
}
// ParamsXmlRpcRequestParserState
void ParamsXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "param") == 0) {
psm->pushFrame();
psm->pushParamState();
}
else {
psm->pushUnknownElementState();
}
}
// ParamXmlRpcRequestParserState
void ParamXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "value") == 0) {
psm->pushValueState();
}
else {
psm->pushUnknownElementState();
}
}
void ParamXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
psm->popArrayFrame();
}
// ValueXmlRpcRequestParserState
void ValueXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "i4") == 0 || strcmp(name, "int") == 0) {
psm->pushIntState();
}
else if (strcmp(name, "struct") == 0) {
psm->setCurrentFrameValue(Dict::g());
psm->pushStructState();
}
else if (strcmp(name, "array") == 0) {
psm->setCurrentFrameValue(List::g());
psm->pushArrayState();
}
else if (strcmp(name, "string") == 0 || strcmp(name, "double") == 0) {
psm->pushStringState();
}
else if (strcmp(name, "base64") == 0) {
psm->pushBase64State();
}
else {
psm->pushUnknownElementState();
}
}
void ValueXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
// XML-RPC specification says that if no data type tag is used, the
// data must be treated as string. To prevent from overwriting
// current frame value, we first check it is still null.
if (!psm->getCurrentFrameValue() && !characters.empty()) {
psm->setCurrentFrameValue(String::g(std::move(characters)));
}
}
// IntXmlRpcRequestParserState
void IntXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
psm->pushUnknownElementState();
}
void IntXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
int32_t value;
if (util::parseIntNoThrow(value, characters)) {
psm->setCurrentFrameValue(Integer::g(value));
}
else {
// nothing to do here: We just leave current frame value to null.
}
}
// StringXmlRpcRequestParserState
void StringXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
psm->pushUnknownElementState();
}
void StringXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
psm->setCurrentFrameValue(String::g(std::move(characters)));
}
// Base64XmlRpcRequestParserState
void Base64XmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
psm->pushUnknownElementState();
}
void Base64XmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
psm->setCurrentFrameValue(
String::g(base64::decode(characters.begin(), characters.end())));
}
// StructXmlRpcRequestParserState
void StructXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "member") == 0) {
psm->pushFrame();
psm->pushMemberState();
}
else {
psm->pushUnknownElementState();
}
}
// MemberXmlRpcRequestParserState
void MemberXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "name") == 0) {
psm->pushNameState();
}
else if (strcmp(name, "value") == 0) {
psm->pushValueState();
}
else {
psm->pushUnknownElementState();
}
}
void MemberXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
psm->popStructFrame();
}
// NameXmlRpcRequestParserState
void NameXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
psm->pushUnknownElementState();
}
void NameXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
psm->setCurrentFrameName(std::move(characters));
}
// ArrayXmlRpcRequestParserState
void ArrayXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "data") == 0) {
psm->pushDataState();
}
else {
psm->pushUnknownElementState();
}
}
// DataXmlRpcRequestParserState
void DataXmlRpcRequestParserState::beginElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
const std::vector<XmlAttr>& attrs)
{
if (strcmp(name, "value") == 0) {
psm->pushFrame();
psm->pushArrayValueState();
}
else {
psm->pushUnknownElementState();
}
}
// ArrayValueXmlRpcRequestParserState
void ArrayValueXmlRpcRequestParserState::endElement(
XmlRpcRequestParserStateMachine* psm, const char* name,
std::string characters)
{
ValueXmlRpcRequestParserState::endElement(psm, name, std::move(characters));
psm->popArrayFrame();
}
} // namespace rpc
} // namespace aria2