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Diffstat (limited to 'thirdparty/assimp/code/FIReader.cpp')
| -rw-r--r-- | thirdparty/assimp/code/FIReader.cpp | 1834 |
1 files changed, 0 insertions, 1834 deletions
diff --git a/thirdparty/assimp/code/FIReader.cpp b/thirdparty/assimp/code/FIReader.cpp deleted file mode 100644 index 2116316ca3..0000000000 --- a/thirdparty/assimp/code/FIReader.cpp +++ /dev/null @@ -1,1834 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2019, assimp team - - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* 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. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS 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. - ----------------------------------------------------------------------- -*/ -/// \file FIReader.cpp -/// \brief Reader for Fast Infoset encoded binary XML files. -/// \date 2017 -/// \author Patrick Daehne - -#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER - -#include "FIReader.hpp" -#include <assimp/StringUtils.h> - -// Workaround for issue #1361 -// https://github.com/assimp/assimp/issues/1361 -#ifdef __ANDROID__ -# define _GLIBCXX_USE_C99 1 -#endif - -#include <assimp/Exceptional.h> -#include <assimp/IOStream.hpp> -#include <assimp/types.h> -#include <assimp/MemoryIOWrapper.h> -#include <assimp/irrXMLWrapper.h> -#include "../contrib/utf8cpp/source/utf8.h" -#include <assimp/fast_atof.h> -#include <stack> -#include <map> -#include <iostream> -#include <sstream> -#include <iomanip> - -namespace Assimp { - -static const std::string parseErrorMessage = "Fast Infoset parse error"; - -static const char *xmlDeclarations[] = { - "<?xml encoding='finf'?>", - "<?xml encoding='finf' standalone='yes'?>", - "<?xml encoding='finf' standalone='no'?>", - "<?xml version='1.0' encoding='finf'?>", - "<?xml version='1.0' encoding='finf' standalone='yes'?>", - "<?xml version='1.0' encoding='finf' standalone='no'?>", - "<?xml version='1.1' encoding='finf'?>", - "<?xml version='1.1' encoding='finf' standalone='yes'?>", - "<?xml version='1.1' encoding='finf' standalone='no'?>" -}; - -static size_t parseMagic(const uint8_t *data, const uint8_t *dataEnd) { - if (dataEnd - data < 4) { - return 0; - } - uint32_t magic = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; - switch (magic) { - case 0xe0000001: - return 4; - case 0x3c3f786d: // "<?xm" - { - size_t xmlDeclarationsLength = sizeof(xmlDeclarations) / sizeof(xmlDeclarations[0]); - for (size_t i = 0; i < xmlDeclarationsLength; ++i) { - auto xmlDeclaration = xmlDeclarations[i]; - ptrdiff_t xmlDeclarationLength = strlen(xmlDeclaration); - if ((dataEnd - data >= xmlDeclarationLength) && (memcmp(xmlDeclaration, data, xmlDeclarationLength) == 0)) { - data += xmlDeclarationLength; - if (dataEnd - data < 4) { - return 0; - } - magic = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; - return magic == 0xe0000001 ? xmlDeclarationLength + 4 : 0; - } - } - return 0; - } - default: - return 0; - } -} - -static std::string parseUTF8String(const uint8_t *data, size_t len) { - return std::string((char*)data, len); -} - -static std::string parseUTF16String(const uint8_t *data, size_t len) { - if (len & 1) { - throw DeadlyImportError(parseErrorMessage); - } - size_t numShorts = len / 2; - std::vector<short> utf16; - utf16.reserve(numShorts); - for (size_t i = 0; i < numShorts; ++i) { - short v = (data[0] << 8) | data[1]; - utf16.push_back(v); - data += 2; - } - std::string result; - utf8::utf16to8(utf16.begin(), utf16.end(), back_inserter(result)); - return result; -} - -struct FIStringValueImpl: public FIStringValue { - inline FIStringValueImpl(std::string &&value_) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { return value; } -}; - -std::shared_ptr<FIStringValue> FIStringValue::create(std::string &&value) { - return std::make_shared<FIStringValueImpl>(std::move(value)); -} - -struct FIHexValueImpl: public FIHexValue { - mutable std::string strValue; - mutable bool strValueValid; - inline FIHexValueImpl(std::vector<uint8_t> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - os << std::hex << std::uppercase << std::setfill('0'); - std::for_each(value.begin(), value.end(), [&](uint8_t c) { os << std::setw(2) << static_cast<int>(c); }); - strValue = os.str(); - } - return strValue; - }; -}; - -std::shared_ptr<FIHexValue> FIHexValue::create(std::vector<uint8_t> &&value) { - return std::make_shared<FIHexValueImpl>(std::move(value)); -} - -struct FIBase64ValueImpl: public FIBase64Value { - mutable std::string strValue; - mutable bool strValueValid; - inline FIBase64ValueImpl(std::vector<uint8_t> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - uint8_t c1 = 0, c2; - int imod3 = 0; - std::vector<uint8_t>::size_type valueSize = value.size(); - for (std::vector<uint8_t>::size_type i = 0; i < valueSize; ++i) { - c2 = value[i]; - switch (imod3) { - case 0: - os << basis_64[c2 >> 2]; - imod3 = 1; - break; - case 1: - os << basis_64[((c1 & 0x03) << 4) | ((c2 & 0xf0) >> 4)]; - imod3 = 2; - break; - case 2: - os << basis_64[((c1 & 0x0f) << 2) | ((c2 & 0xc0) >> 6)] << basis_64[c2 & 0x3f]; - imod3 = 0; - break; - } - c1 = c2; - } - switch (imod3) { - case 1: - os << basis_64[(c1 & 0x03) << 4] << "=="; - break; - case 2: - os << basis_64[(c1 & 0x0f) << 2] << '='; - break; - } - strValue = os.str(); - } - return strValue; - }; - static const char basis_64[]; -}; - -const char FIBase64ValueImpl::basis_64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -std::shared_ptr<FIBase64Value> FIBase64Value::create(std::vector<uint8_t> &&value) { - return std::make_shared<FIBase64ValueImpl>(std::move(value)); -} - -struct FIShortValueImpl: public FIShortValue { - mutable std::string strValue; - mutable bool strValueValid; - inline FIShortValueImpl(std::vector<int16_t> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - int n = 0; - std::for_each(value.begin(), value.end(), [&](int16_t s) { if (++n > 1) os << ' '; os << s; }); - strValue = os.str(); - } - return strValue; - } -}; - -std::shared_ptr<FIShortValue> FIShortValue::create(std::vector<int16_t> &&value) { - return std::make_shared<FIShortValueImpl>(std::move(value)); -} - -struct FIIntValueImpl: public FIIntValue { - mutable std::string strValue; - mutable bool strValueValid; - inline FIIntValueImpl(std::vector<int32_t> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - int n = 0; - std::for_each(value.begin(), value.end(), [&](int32_t i) { if (++n > 1) os << ' '; os << i; }); - strValue = os.str(); - } - return strValue; - }; -}; - -std::shared_ptr<FIIntValue> FIIntValue::create(std::vector<int32_t> &&value) { - return std::make_shared<FIIntValueImpl>(std::move(value)); -} - -struct FILongValueImpl: public FILongValue { - mutable std::string strValue; - mutable bool strValueValid; - inline FILongValueImpl(std::vector<int64_t> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - int n = 0; - std::for_each(value.begin(), value.end(), [&](int64_t l) { if (++n > 1) os << ' '; os << l; }); - strValue = os.str(); - } - return strValue; - }; -}; - -std::shared_ptr<FILongValue> FILongValue::create(std::vector<int64_t> &&value) { - return std::make_shared<FILongValueImpl>(std::move(value)); -} - -struct FIBoolValueImpl: public FIBoolValue { - mutable std::string strValue; - mutable bool strValueValid; - inline FIBoolValueImpl(std::vector<bool> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - os << std::boolalpha; - int n = 0; - std::for_each(value.begin(), value.end(), [&](bool b) { if (++n > 1) os << ' '; os << b; }); - strValue = os.str(); - } - return strValue; - }; -}; - -std::shared_ptr<FIBoolValue> FIBoolValue::create(std::vector<bool> &&value) { - return std::make_shared<FIBoolValueImpl>(std::move(value)); -} - -struct FIFloatValueImpl: public FIFloatValue { - mutable std::string strValue; - mutable bool strValueValid; - inline FIFloatValueImpl(std::vector<float> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - int n = 0; - std::for_each(value.begin(), value.end(), [&](float f) { if (++n > 1) os << ' '; os << f; }); - strValue = os.str(); - } - return strValue; - } -}; - -std::shared_ptr<FIFloatValue> FIFloatValue::create(std::vector<float> &&value) { - return std::make_shared<FIFloatValueImpl>(std::move(value)); -} - -struct FIDoubleValueImpl: public FIDoubleValue { - mutable std::string strValue; - mutable bool strValueValid; - inline FIDoubleValueImpl(std::vector<double> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - int n = 0; - std::for_each(value.begin(), value.end(), [&](double d) { if (++n > 1) os << ' '; os << d; }); - strValue = os.str(); - } - return strValue; - } -}; - -std::shared_ptr<FIDoubleValue> FIDoubleValue::create(std::vector<double> &&value) { - return std::make_shared<FIDoubleValueImpl>(std::move(value)); -} - -struct FIUUIDValueImpl: public FIUUIDValue { - mutable std::string strValue; - mutable bool strValueValid; - inline FIUUIDValueImpl(std::vector<uint8_t> &&value_): strValueValid(false) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { - if (!strValueValid) { - strValueValid = true; - std::ostringstream os; - os << std::hex << std::uppercase << std::setfill('0'); - std::vector<uint8_t>::size_type valueSize = value.size(); - for (std::vector<uint8_t>::size_type i = 0; i < valueSize; ++i) { - switch (i & 15) { - case 0: - if (i > 0) { - os << ' '; - } - os << std::setw(2) << static_cast<int>(value[i]); - break; - case 4: - case 6: - case 8: - case 10: - os << '-'; - // intentionally fall through! - case 1: - case 2: - case 3: - case 5: - case 7: - case 9: - case 11: - case 12: - case 13: - case 14: - case 15: - os << std::setw(2) << static_cast<int>(value[i]); - break; - } - } - strValue = os.str(); - } - return strValue; - }; -}; - -std::shared_ptr<FIUUIDValue> FIUUIDValue::create(std::vector<uint8_t> &&value) { - return std::make_shared<FIUUIDValueImpl>(std::move(value)); -} - -struct FICDATAValueImpl: public FICDATAValue { - inline FICDATAValueImpl(std::string &&value_) { value = std::move(value_); } - virtual const std::string &toString() const /*override*/ { return value; } -}; - -std::shared_ptr<FICDATAValue> FICDATAValue::create(std::string &&value) { - return std::make_shared<FICDATAValueImpl>(std::move(value)); -} - -struct FIHexDecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - return FIHexValue::create(std::vector<uint8_t>(data, data + len)); - } -}; - -struct FIBase64Decoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - return FIBase64Value::create(std::vector<uint8_t>(data, data + len)); - } -}; - -struct FIShortDecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - if (len & 1) { - throw DeadlyImportError(parseErrorMessage); - } - std::vector<int16_t> value; - size_t numShorts = len / 2; - value.reserve(numShorts); - for (size_t i = 0; i < numShorts; ++i) { - int16_t v = (data[0] << 8) | data[1]; - value.push_back(v); - data += 2; - } - return FIShortValue::create(std::move(value)); - } -}; - -struct FIIntDecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - if (len & 3) { - throw DeadlyImportError(parseErrorMessage); - } - std::vector<int32_t> value; - size_t numInts = len / 4; - value.reserve(numInts); - for (size_t i = 0; i < numInts; ++i) { - int32_t v = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; - value.push_back(v); - data += 4; - } - return FIIntValue::create(std::move(value)); - } -}; - -struct FILongDecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - if (len & 7) { - throw DeadlyImportError(parseErrorMessage); - } - std::vector<int64_t> value; - size_t numLongs = len / 8; - value.reserve(numLongs); - for (size_t i = 0; i < numLongs; ++i) { - int64_t b0 = data[0], b1 = data[1], b2 = data[2], b3 = data[3], b4 = data[4], b5 = data[5], b6 = data[6], b7 = data[7]; - int64_t v = (b0 << 56) | (b1 << 48) | (b2 << 40) | (b3 << 32) | (b4 << 24) | (b5 << 16) | (b6 << 8) | b7; - value.push_back(v); - data += 8; - } - return FILongValue::create(std::move(value)); - } -}; - -struct FIBoolDecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - if (len < 1) { - throw DeadlyImportError(parseErrorMessage); - } - std::vector<bool> value; - uint8_t b = *data++; - size_t unusedBits = b >> 4; - size_t numBools = (len * 8) - 4 - unusedBits; - value.reserve(numBools); - uint8_t mask = 1 << 3; - for (size_t i = 0; i < numBools; ++i) { - if (!mask) { - mask = 1 << 7; - b = *data++; - } - value.push_back((b & mask) != 0); - } - return FIBoolValue::create(std::move(value)); - } -}; - -struct FIFloatDecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - if (len & 3) { - throw DeadlyImportError(parseErrorMessage); - } - std::vector<float> value; - size_t numFloats = len / 4; - value.reserve(numFloats); - for (size_t i = 0; i < numFloats; ++i) { - int v = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; - float f; - memcpy(&f, &v, 4); - value.push_back(f); - data += 4; - } - return FIFloatValue::create(std::move(value)); - } -}; - -struct FIDoubleDecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - if (len & 7) { - throw DeadlyImportError(parseErrorMessage); - } - std::vector<double> value; - size_t numDoubles = len / 8; - value.reserve(numDoubles); - for (size_t i = 0; i < numDoubles; ++i) { - long long b0 = data[0], b1 = data[1], b2 = data[2], b3 = data[3], b4 = data[4], b5 = data[5], b6 = data[6], b7 = data[7]; - long long v = (b0 << 56) | (b1 << 48) | (b2 << 40) | (b3 << 32) | (b4 << 24) | (b5 << 16) | (b6 << 8) | b7; - double f; - memcpy(&f, &v, 8); - value.push_back(f); - data += 8; - } - return FIDoubleValue::create(std::move(value)); - } -}; - -struct FIUUIDDecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - if (len & 15) { - throw DeadlyImportError(parseErrorMessage); - } - return FIUUIDValue::create(std::vector<uint8_t>(data, data + len)); - } -}; - -struct FICDATADecoder: public FIDecoder { - virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ { - return FICDATAValue::create(parseUTF8String(data, len)); - } -}; - -class CFIReaderImpl: public FIReader { -public: - - CFIReaderImpl(std::unique_ptr<uint8_t[]> data_, size_t size): - data(std::move(data_)), dataP(data.get()), dataEnd(data.get() + size), currentNodeType(irr::io::EXN_NONE), - emptyElement(false), headerPending(true), terminatorPending(false) - {} - - virtual ~CFIReaderImpl() {} - - virtual bool read() /*override*/ { - if (headerPending) { - headerPending = false; - parseHeader(); - } - if (terminatorPending) { - terminatorPending = false; - if (elementStack.empty()) { - return false; - } - else { - nodeName = elementStack.top(); - elementStack.pop(); - currentNodeType = nodeName.empty() ? irr::io::EXN_UNKNOWN : irr::io::EXN_ELEMENT_END; - return true; - } - } - if (dataP >= dataEnd) { - return false; - } - uint8_t b = *dataP; - if (b < 0x80) { // Element (C.2.11.2, C.3.7.2) - // C.3 - parseElement(); - return true; - } - else if (b < 0xc0) { // Characters (C.3.7.5) - // C.7 - auto chars = parseNonIdentifyingStringOrIndex3(vocabulary.charactersTable); - nodeName = chars->toString(); - currentNodeType = irr::io::EXN_TEXT; - return true; - } - else if (b < 0xe0) { - if ((b & 0xfc) == 0xc4) { // DTD (C.2.11.5) - // C.9 - ++dataP; - if (b & 0x02) { - /*const std::string &systemID =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable); - } - if (b & 0x01) { - /*const std::string &publicID =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable); - } - elementStack.push(EmptyString); - currentNodeType = irr::io::EXN_UNKNOWN; - return true; - } - else if ((b & 0xfc) == 0xc8) { // Unexpanded entity reference (C.3.7.4) - // C.6 - ++dataP; - /*const std::string &name =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable); - if (b & 0x02) { - /*const std::string &systemID =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable); - } - if (b & 0x01) { - /*const std::string &publicID =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable); - } - currentNodeType = irr::io::EXN_UNKNOWN; - return true; - } - } - else if (b < 0xf0) { - if (b == 0xe1) { // Processing instruction (C.2.11.3, C.3.7.3) - // C.5 - ++dataP; - /*const std::string &target =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable); - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - /*std::shared_ptr<const FIValue> data =*/ parseNonIdentifyingStringOrIndex1(vocabulary.otherStringTable); - currentNodeType = irr::io::EXN_UNKNOWN; - return true; - } - else if (b == 0xe2) { // Comment (C.2.11.4, C.3.7.6) - // C.8 - ++dataP; - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - std::shared_ptr<const FIValue> comment = parseNonIdentifyingStringOrIndex1(vocabulary.otherStringTable); - nodeName = comment->toString(); - currentNodeType = irr::io::EXN_COMMENT; - return true; - } - } - else { // Terminator (C.2.12, C.3.8) - ++dataP; - if (b == 0xff) { - terminatorPending = true; - } - if (elementStack.empty()) { - return false; - } - else { - nodeName = elementStack.top(); - elementStack.pop(); - currentNodeType = nodeName.empty() ? irr::io::EXN_UNKNOWN : irr::io::EXN_ELEMENT_END; - return true; - } - } - throw DeadlyImportError(parseErrorMessage); - } - - virtual irr::io::EXML_NODE getNodeType() const /*override*/ { - return currentNodeType; - } - - virtual int getAttributeCount() const /*override*/ { - return static_cast<int>(attributes.size()); - } - - virtual const char* getAttributeName(int idx) const /*override*/ { - if (idx < 0 || idx >= (int)attributes.size()) { - return nullptr; - } - return attributes[idx].name.c_str(); - } - - virtual const char* getAttributeValue(int idx) const /*override*/ { - if (idx < 0 || idx >= (int)attributes.size()) { - return nullptr; - } - return attributes[idx].value->toString().c_str(); - } - - virtual const char* getAttributeValue(const char* name) const /*override*/ { - const Attribute* attr = getAttributeByName(name); - if (!attr) { - return nullptr; - } - return attr->value->toString().c_str(); - } - - virtual const char* getAttributeValueSafe(const char* name) const /*override*/ { - const Attribute* attr = getAttributeByName(name); - if (!attr) { - return EmptyString.c_str(); - } - return attr->value->toString().c_str(); - } - - virtual int getAttributeValueAsInt(const char* name) const /*override*/ { - const Attribute* attr = getAttributeByName(name); - if (!attr) { - return 0; - } - std::shared_ptr<const FIIntValue> intValue = std::dynamic_pointer_cast<const FIIntValue>(attr->value); - if (intValue) { - return intValue->value.size() == 1 ? intValue->value.front() : 0; - } - return atoi(attr->value->toString().c_str()); - } - - virtual int getAttributeValueAsInt(int idx) const /*override*/ { - if (idx < 0 || idx >= (int)attributes.size()) { - return 0; - } - std::shared_ptr<const FIIntValue> intValue = std::dynamic_pointer_cast<const FIIntValue>(attributes[idx].value); - if (intValue) { - return intValue->value.size() == 1 ? intValue->value.front() : 0; - } - return atoi(attributes[idx].value->toString().c_str()); - } - - virtual float getAttributeValueAsFloat(const char* name) const /*override*/ { - const Attribute* attr = getAttributeByName(name); - if (!attr) { - return 0; - } - std::shared_ptr<const FIFloatValue> floatValue = std::dynamic_pointer_cast<const FIFloatValue>(attr->value); - if (floatValue) { - return floatValue->value.size() == 1 ? floatValue->value.front() : 0; - } - - return fast_atof(attr->value->toString().c_str()); - } - - virtual float getAttributeValueAsFloat(int idx) const /*override*/ { - if (idx < 0 || idx >= (int)attributes.size()) { - return 0; - } - std::shared_ptr<const FIFloatValue> floatValue = std::dynamic_pointer_cast<const FIFloatValue>(attributes[idx].value); - if (floatValue) { - return floatValue->value.size() == 1 ? floatValue->value.front() : 0; - } - return fast_atof(attributes[idx].value->toString().c_str()); - } - - virtual const char* getNodeName() const /*override*/ { - return nodeName.c_str(); - } - - virtual const char* getNodeData() const /*override*/ { - return nodeName.c_str(); - } - - virtual bool isEmptyElement() const /*override*/ { - return emptyElement; - } - - virtual irr::io::ETEXT_FORMAT getSourceFormat() const /*override*/ { - return irr::io::ETF_UTF8; - } - - virtual irr::io::ETEXT_FORMAT getParserFormat() const /*override*/ { - return irr::io::ETF_UTF8; - } - - virtual std::shared_ptr<const FIValue> getAttributeEncodedValue(int idx) const /*override*/ { - if (idx < 0 || idx >= (int)attributes.size()) { - return nullptr; - } - return attributes[idx].value; - } - - virtual std::shared_ptr<const FIValue> getAttributeEncodedValue(const char* name) const /*override*/ { - const Attribute* attr = getAttributeByName(name); - if (!attr) { - return nullptr; - } - return attr->value; - } - - virtual void registerDecoder(const std::string &algorithmUri, std::unique_ptr<FIDecoder> decoder) /*override*/ { - decoderMap[algorithmUri] = std::move(decoder); - } - - virtual void registerVocabulary(const std::string &vocabularyUri, const FIVocabulary *vocabulary) /*override*/ { - vocabularyMap[vocabularyUri] = vocabulary; - } - -private: - - struct QName { - std::string prefix; - std::string uri; - std::string name; - inline QName() {} - inline QName(const FIQName &qname): prefix(qname.prefix ? qname.prefix : ""), uri(qname.uri ? qname.uri : ""), name(qname.name) {} - }; - - struct Attribute { - QName qname; - std::string name; - std::shared_ptr<const FIValue> value; - }; - - struct Vocabulary { - std::vector<std::string> restrictedAlphabetTable; - std::vector<std::string> encodingAlgorithmTable; - std::vector<std::string> prefixTable; - std::vector<std::string> namespaceNameTable; - std::vector<std::string> localNameTable; - std::vector<std::string> otherNCNameTable; - std::vector<std::string> otherURITable; - std::vector<std::shared_ptr<const FIValue>> attributeValueTable; - std::vector<std::shared_ptr<const FIValue>> charactersTable; - std::vector<std::shared_ptr<const FIValue>> otherStringTable; - std::vector<QName> elementNameTable; - std::vector<QName> attributeNameTable; - Vocabulary() { - prefixTable.push_back("xml"); - namespaceNameTable.push_back("http://www.w3.org/XML/1998/namespace"); - } - }; - - const Attribute* getAttributeByName(const char* name) const { - if (!name) { - return 0; - } - std::string n = name; - for (int i=0; i<(int)attributes.size(); ++i) { - if (attributes[i].name == n) { - return &attributes[i]; - } - } - return 0; - } - - size_t parseInt2() { // C.25 - uint8_t b = *dataP++; - if (!(b & 0x40)) { // x0...... (C.25.2) - return b & 0x3f; - } - else if ((b & 0x60) == 0x40) { // x10..... ........ (C.25.3) - if (dataEnd - dataP > 0) { - return (((b & 0x1f) << 8) | *dataP++) + 0x40; - } - } - else if ((b & 0x70) == 0x60) { // x110.... ........ ........ (C.25.4) - if (dataEnd - dataP > 1) { - size_t result = (((b & 0x0f) << 16) | (dataP[0] << 8) | dataP[1]) + 0x2040; - dataP += 2; - return result; - } - } - throw DeadlyImportError(parseErrorMessage); - } - - size_t parseInt3() { // C.27 - uint8_t b = *dataP++; - if (!(b & 0x20)) { // xx0..... (C.27.2) - return b & 0x1f; - } - else if ((b & 0x38) == 0x20) { // xx100... ........ (C.27.3) - if (dataEnd - dataP > 0) { - return (((b & 0x07) << 8) | *dataP++) + 0x20; - } - } - else if ((b & 0x38) == 0x28) { // xx101... ........ ........ (C.27.4) - if (dataEnd - dataP > 1) { - size_t result = (((b & 0x07) << 16) | (dataP[0] << 8) | dataP[1]) + 0x820; - dataP += 2; - return result; - } - } - else if ((b & 0x3f) == 0x30) { // xx110000 0000.... ........ ........ (C.27.5) - if ((dataEnd - dataP > 2) && !(dataP[0] & 0xf0)) { - size_t result = (((dataP[0] & 0x0f) << 16) | (dataP[1] << 8) | dataP[2]) + 0x80820; - dataP += 3; - return result; - } - } - throw DeadlyImportError(parseErrorMessage); - } - - size_t parseInt4() { // C.28 - uint8_t b = *dataP++; - if (!(b & 0x10)) { // xxx0.... (C.28.2) - return b & 0x0f; - } - else if ((b & 0x1c) == 0x10) { // xxx100.. ........ (C.28.3) - if (dataEnd - dataP > 0) { - return (((b & 0x03) << 8) | *dataP++) + 0x10; - } - } - else if ((b & 0x1c) == 0x14) { // xxx101.. ........ ........ (C.28.4) - if (dataEnd - dataP > 1) { - size_t result = (((b & 0x03) << 16) | (dataP[0] << 8) | dataP[1]) + 0x410; - dataP += 2; - return result; - } - } - else if ((b & 0x1f) == 0x18) { // xxx11000 0000.... ........ ........ (C.28.5) - if ((dataEnd - dataP > 2) && !(dataP[0] & 0xf0)) { - size_t result = (((dataP[0] & 0x0f) << 16) | (dataP[1] << 8) | dataP[2]) + 0x40410; - dataP += 3; - return result; - } - } - throw DeadlyImportError(parseErrorMessage); - } - - size_t parseSequenceLen() { // C.21 - if (dataEnd - dataP > 0) { - uint8_t b = *dataP++; - if (b < 0x80) { // 0....... (C.21.2) - return b; - } - else if ((b & 0xf0) == 0x80) { // 1000.... ........ ........ (C.21.3) - if (dataEnd - dataP > 1) { - size_t result = (((b & 0x0f) << 16) | (dataP[0] << 8) | dataP[1]) + 0x80; - dataP += 2; - return result; - } - } - } - throw DeadlyImportError(parseErrorMessage); - } - - std::string parseNonEmptyOctetString2() { // C.22 - // Parse the length of the string - uint8_t b = *dataP++ & 0x7f; - size_t len; - if (!(b & 0x40)) { // x0...... (C.22.3.1) - len = b + 1; - } - else if (b == 0x40) { // x1000000 ........ (C.22.3.2) - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - len = *dataP++ + 0x41; - } - else if (b == 0x60) { // x1100000 ........ ........ ........ ........ (C.22.3.3) - if (dataEnd - dataP < 4) { - throw DeadlyImportError(parseErrorMessage); - } - len = ((dataP[0] << 24) | (dataP[1] << 16) | (dataP[2] << 8) | dataP[3]) + 0x141; - dataP += 4; - } - else { - throw DeadlyImportError(parseErrorMessage); - } - - // Parse the string (C.22.4) - if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) { - throw DeadlyImportError(parseErrorMessage); - } - std::string s = parseUTF8String(dataP, len); - dataP += len; - - return s; - } - - size_t parseNonEmptyOctetString5Length() { // C.23 - // Parse the length of the string - size_t b = *dataP++ & 0x0f; - if (!(b & 0x08)) { // xxxx0... (C.23.3.1) - return b + 1; - } - else if (b == 0x08) { // xxxx1000 ........ (C.23.3.2) - if (dataEnd - dataP > 0) { - return *dataP++ + 0x09; - } - } - else if (b == 0x0c) { // xxxx1100 ........ ........ ........ ........ (C.23.3.3) - if (dataEnd - dataP > 3) { - size_t result = ((dataP[0] << 24) | (dataP[1] << 16) | (dataP[2] << 8) | dataP[3]) + 0x109; - dataP += 4; - return result; - } - } - throw DeadlyImportError(parseErrorMessage); - } - - size_t parseNonEmptyOctetString7Length() { // C.24 - // Parse the length of the string - size_t b = *dataP++ & 0x03; - if (!(b & 0x02)) { // xxxxxx0. (C.24.3.1) - return b + 1; - } - else if (b == 0x02) { // xxxxxx10 ........ (C.24.3.2) - if (dataEnd - dataP > 0) { - return *dataP++ + 0x3; - } - } - else if (b == 0x03) { // xxxxxx11 ........ ........ ........ ........ (C.24.3.3) - if (dataEnd - dataP > 3) { - size_t result = ((dataP[0] << 24) | (dataP[1] << 16) | (dataP[2] << 8) | dataP[3]) + 0x103; - dataP += 4; - return result; - } - } - throw DeadlyImportError(parseErrorMessage); - } - - std::shared_ptr<const FIValue> parseEncodedData(size_t index, size_t len) { - if (index < 32) { - FIDecoder *decoder = defaultDecoder[index]; - if (!decoder) { - throw DeadlyImportError("Invalid encoding algorithm index " + to_string(index)); - } - return decoder->decode(dataP, len); - } - else { - if (index - 32 >= vocabulary.encodingAlgorithmTable.size()) { - throw DeadlyImportError("Invalid encoding algorithm index " + to_string(index)); - } - std::string uri = vocabulary.encodingAlgorithmTable[index - 32]; - auto it = decoderMap.find(uri); - if (it == decoderMap.end()) { - throw DeadlyImportError("Unsupported encoding algorithm " + uri); - } - else { - return it->second->decode(dataP, len); - } - } - } - - std::shared_ptr<const FIValue> parseRestrictedAlphabet(size_t index, size_t len) { - std::string alphabet; - if (index < 16) { - switch (index) { - case 0: // numeric - alphabet = "0123456789-+.e "; - break; - case 1: // date and time - alphabet = "0123456789-:TZ "; - break; - default: - throw DeadlyImportError("Invalid restricted alphabet index " + to_string(index)); - } - } - else { - if (index - 16 >= vocabulary.restrictedAlphabetTable.size()) { - throw DeadlyImportError("Invalid restricted alphabet index " + to_string(index)); - } - alphabet = vocabulary.restrictedAlphabetTable[index - 16]; - } - std::vector<uint32_t> alphabetUTF32; - utf8::utf8to32(alphabet.begin(), alphabet.end(), back_inserter(alphabetUTF32)); - std::string::size_type alphabetLength = alphabetUTF32.size(); - if (alphabetLength < 2) { - throw DeadlyImportError("Invalid restricted alphabet length " + to_string(alphabetLength)); - } - std::string::size_type bitsPerCharacter = 1; - while ((1ull << bitsPerCharacter) <= alphabetLength) { - ++bitsPerCharacter; - } - size_t bitsAvail = 0; - uint8_t mask = (1 << bitsPerCharacter) - 1; - uint32_t bits = 0; - std::string s; - for (size_t i = 0; i < len; ++i) { - bits = (bits << 8) | dataP[i]; - bitsAvail += 8; - while (bitsAvail >= bitsPerCharacter) { - bitsAvail -= bitsPerCharacter; - size_t charIndex = (bits >> bitsAvail) & mask; - if (charIndex < alphabetLength) { - s.push_back(alphabetUTF32[charIndex]); - } - else if (charIndex != mask) { - throw DeadlyImportError(parseErrorMessage); - } - } - } - return FIStringValue::create(std::move(s)); - } - - std::shared_ptr<const FIValue> parseEncodedCharacterString3() { // C.19 - std::shared_ptr<const FIValue> result; - size_t len; - uint8_t b = *dataP; - if (b & 0x20) { - ++dataP; - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - size_t index = ((b & 0x0f) << 4) | ((*dataP & 0xf0) >> 4); // C.29 - len = parseNonEmptyOctetString5Length(); - if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) { - throw DeadlyImportError(parseErrorMessage); - } - if (b & 0x10) { - // encoding algorithm (C.19.3.4) - result = parseEncodedData(index, len); - } - else { - // Restricted alphabet (C.19.3.3) - result = parseRestrictedAlphabet(index, len); - } - } - else { - len = parseNonEmptyOctetString5Length(); - if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) { - throw DeadlyImportError(parseErrorMessage); - } - if (b & 0x10) { - // UTF-16 (C.19.3.2) - if (len & 1) { - throw DeadlyImportError(parseErrorMessage); - } - result = FIStringValue::create(parseUTF16String(dataP, len)); - } - else { - // UTF-8 (C.19.3.1) - result = FIStringValue::create(parseUTF8String(dataP, len)); - } - } - dataP += len; - return result; - } - - std::shared_ptr<const FIValue> parseEncodedCharacterString5() { // C.20 - std::shared_ptr<const FIValue> result; - size_t len; - uint8_t b = *dataP; - if (b & 0x08) { - ++dataP; - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - size_t index = ((b & 0x03) << 6) | ((*dataP & 0xfc) >> 2); /* C.29 */ - len = parseNonEmptyOctetString7Length(); - if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) { - throw DeadlyImportError(parseErrorMessage); - } - if (b & 0x04) { - // encoding algorithm (C.20.3.4) - result = parseEncodedData(index, len); - } - else { - // Restricted alphabet (C.20.3.3) - result = parseRestrictedAlphabet(index, len); - } - } - else { - len = parseNonEmptyOctetString7Length(); - if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) { - throw DeadlyImportError(parseErrorMessage); - } - if (b & 0x04) { - // UTF-16 (C.20.3.2) - if (len & 1) { - throw DeadlyImportError(parseErrorMessage); - } - result = FIStringValue::create(parseUTF16String(dataP, len)); - } - else { - // UTF-8 (C.20.3.1) - result = FIStringValue::create(parseUTF8String(dataP, len)); - } - } - dataP += len; - return result; - } - - const std::string &parseIdentifyingStringOrIndex(std::vector<std::string> &stringTable) { // C.13 - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - uint8_t b = *dataP; - if (b & 0x80) { - // We have an index (C.13.4) - size_t index = parseInt2(); - if (index >= stringTable.size()) { - throw DeadlyImportError(parseErrorMessage); - } - return stringTable[index]; - } - else { - // We have a string (C.13.3) - stringTable.push_back(parseNonEmptyOctetString2()); - return stringTable.back(); - } - } - - QName parseNameSurrogate() { // C.16 - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - uint8_t b = *dataP++; - if (b & 0xfc) { // Padding '000000' C.2.5.5 - throw DeadlyImportError(parseErrorMessage); - } - QName result; - size_t index; - if (b & 0x02) { // prefix (C.16.3) - if ((dataEnd - dataP < 1) || (*dataP & 0x80)) { - throw DeadlyImportError(parseErrorMessage); - } - index = parseInt2(); - if (index >= vocabulary.prefixTable.size()) { - throw DeadlyImportError(parseErrorMessage); - } - result.prefix = vocabulary.prefixTable[index]; - } - if (b & 0x01) { // namespace-name (C.16.4) - if ((dataEnd - dataP < 1) || (*dataP & 0x80)) { - throw DeadlyImportError(parseErrorMessage); - } - index = parseInt2(); - if (index >= vocabulary.namespaceNameTable.size()) { - throw DeadlyImportError(parseErrorMessage); - } - result.uri = vocabulary.namespaceNameTable[index]; - } - // local-name - if ((dataEnd - dataP < 1) || (*dataP & 0x80)) { - throw DeadlyImportError(parseErrorMessage); - } - index = parseInt2(); - if (index >= vocabulary.localNameTable.size()) { - throw DeadlyImportError(parseErrorMessage); - } - result.name = vocabulary.localNameTable[index]; - return result; - } - - const QName &parseQualifiedNameOrIndex2(std::vector<QName> &qNameTable) { // C.17 - uint8_t b = *dataP; - if ((b & 0x7c) == 0x78) { // x11110.. - // We have a literal (C.17.3) - ++dataP; - QName result; - // prefix (C.17.3.1) - result.prefix = b & 0x02 ? parseIdentifyingStringOrIndex(vocabulary.prefixTable) : std::string(); - // namespace-name (C.17.3.1) - result.uri = b & 0x01 ? parseIdentifyingStringOrIndex(vocabulary.namespaceNameTable) : std::string(); - // local-name - result.name = parseIdentifyingStringOrIndex(vocabulary.localNameTable); - qNameTable.push_back(result); - return qNameTable.back(); - } - else { - // We have an index (C.17.4) - size_t index = parseInt2(); - if (index >= qNameTable.size()) { - throw DeadlyImportError(parseErrorMessage); - } - return qNameTable[index]; - } - } - - const QName &parseQualifiedNameOrIndex3(std::vector<QName> &qNameTable) { // C.18 - uint8_t b = *dataP; - if ((b & 0x3c) == 0x3c) { // xx1111.. - // We have a literal (C.18.3) - ++dataP; - QName result; - // prefix (C.18.3.1) - result.prefix = b & 0x02 ? parseIdentifyingStringOrIndex(vocabulary.prefixTable) : std::string(); - // namespace-name (C.18.3.1) - result.uri = b & 0x01 ? parseIdentifyingStringOrIndex(vocabulary.namespaceNameTable) : std::string(); - // local-name - result.name = parseIdentifyingStringOrIndex(vocabulary.localNameTable); - qNameTable.push_back(result); - return qNameTable.back(); - } - else { - // We have an index (C.18.4) - size_t index = parseInt3(); - if (index >= qNameTable.size()) { - throw DeadlyImportError(parseErrorMessage); - } - return qNameTable[index]; - } - } - - std::shared_ptr<const FIValue> parseNonIdentifyingStringOrIndex1(std::vector<std::shared_ptr<const FIValue>> &valueTable) { // C.14 - uint8_t b = *dataP; - if (b == 0xff) { // C.26.2 - // empty string - ++dataP; - return EmptyFIString; - } - else if (b & 0x80) { // C.14.4 - // We have an index - size_t index = parseInt2(); - if (index >= valueTable.size()) { - throw DeadlyImportError(parseErrorMessage); - } - return valueTable[index]; - } - else { // C.14.3 - // We have a literal - std::shared_ptr<const FIValue> result = parseEncodedCharacterString3(); - if (b & 0x40) { // C.14.3.1 - valueTable.push_back(result); - } - return result; - } - } - - std::shared_ptr<const FIValue> parseNonIdentifyingStringOrIndex3(std::vector<std::shared_ptr<const FIValue>> &valueTable) { // C.15 - uint8_t b = *dataP; - if (b & 0x20) { // C.15.4 - // We have an index - size_t index = parseInt4(); - if (index >= valueTable.size()) { - throw DeadlyImportError(parseErrorMessage); - } - return valueTable[index]; - } - else { // C.15.3 - // We have a literal - std::shared_ptr<const FIValue> result = parseEncodedCharacterString5(); - if (b & 0x10) { // C.15.3.1 - valueTable.push_back(result); - } - return result; - } - } - - void parseElement() { - // C.3 - - attributes.clear(); - - uint8_t b = *dataP; - bool hasAttributes = (b & 0x40) != 0; // C.3.3 - if ((b & 0x3f) == 0x38) { // C.3.4.1 - // Parse namespaces - ++dataP; - for (;;) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - b = *dataP++; - if (b == 0xf0) { // C.3.4.3 - break; - } - if ((b & 0xfc) != 0xcc) { // C.3.4.2 - throw DeadlyImportError(parseErrorMessage); - } - // C.12 - Attribute attr; - attr.qname.prefix = "xmlns"; - attr.qname.name = b & 0x02 ? parseIdentifyingStringOrIndex(vocabulary.prefixTable) : std::string(); - attr.qname.uri = b & 0x01 ? parseIdentifyingStringOrIndex(vocabulary.namespaceNameTable) : std::string(); - attr.name = attr.qname.name.empty() ? "xmlns" : "xmlns:" + attr.qname.name; - attr.value = FIStringValue::create(std::string(attr.qname.uri)); - attributes.push_back(attr); - } - if ((dataEnd - dataP < 1) || (*dataP & 0xc0)) { - throw DeadlyImportError(parseErrorMessage); - } - } - - // Parse Element name (C.3.5) - const QName &elemName = parseQualifiedNameOrIndex3(vocabulary.elementNameTable); - nodeName = elemName.prefix.empty() ? elemName.name : elemName.prefix + ':' + elemName.name; - - if (hasAttributes) { - for (;;) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - b = *dataP; - if (b < 0x80) { // C.3.6.1 - // C.4 - Attribute attr; - attr.qname = parseQualifiedNameOrIndex2(vocabulary.attributeNameTable); - attr.name = attr.qname.prefix.empty() ? attr.qname.name : attr.qname.prefix + ':' + attr.qname.name; - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - attr.value = parseNonIdentifyingStringOrIndex1(vocabulary.attributeValueTable); - attributes.push_back(attr); - } - else { - if ((b & 0xf0) != 0xf0) { // C.3.6.2 - throw DeadlyImportError(parseErrorMessage); - } - emptyElement = b == 0xff; // C.3.6.2, C.3.8 - ++dataP; - break; - } - } - } - else { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - b = *dataP; - switch (b) { - case 0xff: - terminatorPending = true; - // Intentionally fall through - case 0xf0: - emptyElement = true; - ++dataP; - break; - default: - emptyElement = false; - } - } - if (!emptyElement) { - elementStack.push(nodeName); - } - - currentNodeType = irr::io::EXN_ELEMENT; - } - - void parseHeader() { - // Parse header (C.1.3) - size_t magicSize = parseMagic(dataP, dataEnd); - if (!magicSize) { - throw DeadlyImportError(parseErrorMessage); - } - dataP += magicSize; - // C.2.3 - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - uint8_t b = *dataP++; - if (b & 0x40) { - // Parse additional data (C.2.4) - size_t len = parseSequenceLen(); - for (size_t i = 0; i < len; ++i) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - /*std::string id =*/ parseNonEmptyOctetString2(); - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - /*std::string data =*/ parseNonEmptyOctetString2(); - } - } - if (b & 0x20) { - // Parse initial vocabulary (C.2.5) - if (dataEnd - dataP < 2) { - throw DeadlyImportError(parseErrorMessage); - } - uint16_t b1 = (dataP[0] << 8) | dataP[1]; - dataP += 2; - if (b1 & 0x1000) { - // External vocabulary (C.2.5.2) - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - std::string uri = parseNonEmptyOctetString2(); - auto it = vocabularyMap.find(uri); - if (it == vocabularyMap.end()) { - throw DeadlyImportError("Unknown vocabulary " + uri); - } - const FIVocabulary *externalVocabulary = it->second; - if (externalVocabulary->restrictedAlphabetTable) { - std::copy(externalVocabulary->restrictedAlphabetTable, externalVocabulary->restrictedAlphabetTable + externalVocabulary->restrictedAlphabetTableSize, std::back_inserter(vocabulary.restrictedAlphabetTable)); - } - if (externalVocabulary->encodingAlgorithmTable) { - std::copy(externalVocabulary->encodingAlgorithmTable, externalVocabulary->encodingAlgorithmTable + externalVocabulary->encodingAlgorithmTableSize, std::back_inserter(vocabulary.encodingAlgorithmTable)); - } - if (externalVocabulary->prefixTable) { - std::copy(externalVocabulary->prefixTable, externalVocabulary->prefixTable + externalVocabulary->prefixTableSize, std::back_inserter(vocabulary.prefixTable)); - } - if (externalVocabulary->namespaceNameTable) { - std::copy(externalVocabulary->namespaceNameTable, externalVocabulary->namespaceNameTable + externalVocabulary->namespaceNameTableSize, std::back_inserter(vocabulary.namespaceNameTable)); - } - if (externalVocabulary->localNameTable) { - std::copy(externalVocabulary->localNameTable, externalVocabulary->localNameTable + externalVocabulary->localNameTableSize, std::back_inserter(vocabulary.localNameTable)); - } - if (externalVocabulary->otherNCNameTable) { - std::copy(externalVocabulary->otherNCNameTable, externalVocabulary->otherNCNameTable + externalVocabulary->otherNCNameTableSize, std::back_inserter(vocabulary.otherNCNameTable)); - } - if (externalVocabulary->otherURITable) { - std::copy(externalVocabulary->otherURITable, externalVocabulary->otherURITable + externalVocabulary->otherURITableSize, std::back_inserter(vocabulary.otherURITable)); - } - if (externalVocabulary->attributeValueTable) { - std::copy(externalVocabulary->attributeValueTable, externalVocabulary->attributeValueTable + externalVocabulary->attributeValueTableSize, std::back_inserter(vocabulary.attributeValueTable)); - } - if (externalVocabulary->charactersTable) { - std::copy(externalVocabulary->charactersTable, externalVocabulary->charactersTable + externalVocabulary->charactersTableSize, std::back_inserter(vocabulary.charactersTable)); - } - if (externalVocabulary->otherStringTable) { - std::copy(externalVocabulary->otherStringTable, externalVocabulary->otherStringTable + externalVocabulary->otherStringTableSize, std::back_inserter(vocabulary.otherStringTable)); - } - if (externalVocabulary->elementNameTable) { - std::copy(externalVocabulary->elementNameTable, externalVocabulary->elementNameTable + externalVocabulary->elementNameTableSize, std::back_inserter(vocabulary.elementNameTable)); - } - if (externalVocabulary->attributeNameTable) { - std::copy(externalVocabulary->attributeNameTable, externalVocabulary->attributeNameTable + externalVocabulary->attributeNameTableSize, std::back_inserter(vocabulary.attributeNameTable)); - } - } - if (b1 & 0x0800) { - // Parse restricted alphabets (C.2.5.3) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.restrictedAlphabetTable.push_back(parseNonEmptyOctetString2()); - } - } - if (b1 & 0x0400) { - // Parse encoding algorithms (C.2.5.3) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.encodingAlgorithmTable.push_back(parseNonEmptyOctetString2()); - } - } - if (b1 & 0x0200) { - // Parse prefixes (C.2.5.3) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.prefixTable.push_back(parseNonEmptyOctetString2()); - } - } - if (b1 & 0x0100) { - // Parse namespace names (C.2.5.3) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.namespaceNameTable.push_back(parseNonEmptyOctetString2()); - } - } - if (b1 & 0x0080) { - // Parse local names (C.2.5.3) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.localNameTable.push_back(parseNonEmptyOctetString2()); - } - } - if (b1 & 0x0040) { - // Parse other ncnames (C.2.5.3) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.otherNCNameTable.push_back(parseNonEmptyOctetString2()); - } - } - if (b1 & 0x0020) { - // Parse other uris (C.2.5.3) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.otherURITable.push_back(parseNonEmptyOctetString2()); - } - } - if (b1 & 0x0010) { - // Parse attribute values (C.2.5.4) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.attributeValueTable.push_back(parseEncodedCharacterString3()); - } - } - if (b1 & 0x0008) { - // Parse content character chunks (C.2.5.4) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.charactersTable.push_back(parseEncodedCharacterString3()); - } - } - if (b1 & 0x0004) { - // Parse other strings (C.2.5.4) - for (size_t len = parseSequenceLen(); len > 0; --len) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - vocabulary.otherStringTable.push_back(parseEncodedCharacterString3()); - } - } - if (b1 & 0x0002) { - // Parse element name surrogates (C.2.5.5) - for (size_t len = parseSequenceLen(); len > 0; --len) { - vocabulary.elementNameTable.push_back(parseNameSurrogate()); - } - } - if (b1 & 0x0001) { - // Parse attribute name surrogates (C.2.5.5) - for (size_t len = parseSequenceLen(); len > 0; --len) { - vocabulary.attributeNameTable.push_back(parseNameSurrogate()); - } - } - } - if (b & 0x10) { - // Parse notations (C.2.6) - for (;;) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - uint8_t b1 = *dataP++; - if (b1 == 0xf0) { - break; - } - if ((b1 & 0xfc) != 0xc0) { - throw DeadlyImportError(parseErrorMessage); - } - /* C.11 */ - /*const std::string &name =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable); - if (b1 & 0x02) { - /*const std::string &systemId =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable); - } - if (b1 & 0x01) { - /*const std::string &publicId =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable); - } - } - } - if (b & 0x08) { - // Parse unparsed entities (C.2.7) - for (;;) { - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - uint8_t b1 = *dataP++; - if (b1 == 0xf0) { - break; - } - if ((b1 & 0xfe) != 0xd0) { - throw DeadlyImportError(parseErrorMessage); - } - /* C.10 */ - /*const std::string &name =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable); - /*const std::string &systemId =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable); - if (b1 & 0x01) { - /*const std::string &publicId =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable); - } - /*const std::string ¬ationName =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable); - } - } - if (b & 0x04) { - // Parse character encoding scheme (C.2.8) - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - /*std::string characterEncodingScheme =*/ parseNonEmptyOctetString2(); - } - if (b & 0x02) { - // Parse standalone flag (C.2.9) - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - uint8_t b1 = *dataP++; - if (b1 & 0xfe) { - throw DeadlyImportError(parseErrorMessage); - } - //bool standalone = b1 & 0x01; - } - if (b & 0x01) { - // Parse version (C.2.10) - if (dataEnd - dataP < 1) { - throw DeadlyImportError(parseErrorMessage); - } - /*std::shared_ptr<const FIValue> version =*/ parseNonIdentifyingStringOrIndex1(vocabulary.otherStringTable); - } - } - - std::unique_ptr<uint8_t[]> data; - uint8_t *dataP, *dataEnd; - irr::io::EXML_NODE currentNodeType; - bool emptyElement; - bool headerPending; - bool terminatorPending; - Vocabulary vocabulary; - std::vector<Attribute> attributes; - std::stack<std::string> elementStack; - std::string nodeName; - std::map<std::string, std::unique_ptr<FIDecoder>> decoderMap; - std::map<std::string, const FIVocabulary*> vocabularyMap; - - static const std::string EmptyString; - static std::shared_ptr<const FIValue> EmptyFIString; - - static FIHexDecoder hexDecoder; - static FIBase64Decoder base64Decoder; - static FIShortDecoder shortDecoder; - static FIIntDecoder intDecoder; - static FILongDecoder longDecoder; - static FIBoolDecoder boolDecoder; - static FIFloatDecoder floatDecoder; - static FIDoubleDecoder doubleDecoder; - static FIUUIDDecoder uuidDecoder; - static FICDATADecoder cdataDecoder; - static FIDecoder *defaultDecoder[32]; -}; - -const std::string CFIReaderImpl::EmptyString; -std::shared_ptr<const FIValue> CFIReaderImpl::EmptyFIString = FIStringValue::create(std::string()); - -FIHexDecoder CFIReaderImpl::hexDecoder; -FIBase64Decoder CFIReaderImpl::base64Decoder; -FIShortDecoder CFIReaderImpl::shortDecoder; -FIIntDecoder CFIReaderImpl::intDecoder; -FILongDecoder CFIReaderImpl::longDecoder; -FIBoolDecoder CFIReaderImpl::boolDecoder; -FIFloatDecoder CFIReaderImpl::floatDecoder; -FIDoubleDecoder CFIReaderImpl::doubleDecoder; -FIUUIDDecoder CFIReaderImpl::uuidDecoder; -FICDATADecoder CFIReaderImpl::cdataDecoder; - -FIDecoder *CFIReaderImpl::defaultDecoder[32] = { - &hexDecoder, - &base64Decoder, - &shortDecoder, - &intDecoder, - &longDecoder, - &boolDecoder, - &floatDecoder, - &doubleDecoder, - &uuidDecoder, - &cdataDecoder -}; - -class CXMLReaderImpl : public FIReader -{ -public: - - //! Constructor - CXMLReaderImpl(std::unique_ptr<irr::io::IIrrXMLReader<char, irr::io::IXMLBase>> reader_) - : reader(std::move(reader_)) - {} - - virtual ~CXMLReaderImpl() {} - - virtual bool read() /*override*/ { - return reader->read(); - } - - virtual irr::io::EXML_NODE getNodeType() const /*override*/ { - return reader->getNodeType(); - } - - virtual int getAttributeCount() const /*override*/ { - return reader->getAttributeCount(); - } - - virtual const char* getAttributeName(int idx) const /*override*/ { - return reader->getAttributeName(idx); - } - - virtual const char* getAttributeValue(int idx) const /*override*/ { - return reader->getAttributeValue(idx); - } - - virtual const char* getAttributeValue(const char* name) const /*override*/ { - return reader->getAttributeValue(name); - } - - virtual const char* getAttributeValueSafe(const char* name) const /*override*/ { - return reader->getAttributeValueSafe(name); - } - - virtual int getAttributeValueAsInt(const char* name) const /*override*/ { - return reader->getAttributeValueAsInt(name); - } - - virtual int getAttributeValueAsInt(int idx) const /*override*/ { - return reader->getAttributeValueAsInt(idx); - } - - virtual float getAttributeValueAsFloat(const char* name) const /*override*/ { - return reader->getAttributeValueAsFloat(name); - } - - virtual float getAttributeValueAsFloat(int idx) const /*override*/ { - return reader->getAttributeValueAsFloat(idx); - } - - virtual const char* getNodeName() const /*override*/ { - return reader->getNodeName(); - } - - virtual const char* getNodeData() const /*override*/ { - return reader->getNodeData(); - } - - virtual bool isEmptyElement() const /*override*/ { - return reader->isEmptyElement(); - } - - virtual irr::io::ETEXT_FORMAT getSourceFormat() const /*override*/ { - return reader->getSourceFormat(); - } - - virtual irr::io::ETEXT_FORMAT getParserFormat() const /*override*/ { - return reader->getParserFormat(); - } - - virtual std::shared_ptr<const FIValue> getAttributeEncodedValue(int /*idx*/) const /*override*/ { - return nullptr; - } - - virtual std::shared_ptr<const FIValue> getAttributeEncodedValue(const char* /*name*/) const /*override*/ { - return nullptr; - } - - virtual void registerDecoder(const std::string & /*algorithmUri*/, std::unique_ptr<FIDecoder> /*decoder*/) /*override*/ {} - - - virtual void registerVocabulary(const std::string &/*vocabularyUri*/, const FIVocabulary * /*vocabulary*/) /*override*/ {} - -private: - - std::unique_ptr<irr::io::IIrrXMLReader<char, irr::io::IXMLBase>> reader; -}; - -static std::unique_ptr<uint8_t[]> readFile(IOStream *stream, size_t &size, bool &isFI) { - size = stream->FileSize(); - std::unique_ptr<uint8_t[]> data = std::unique_ptr<uint8_t[]>(new uint8_t[size]); - if (stream->Read(data.get(), size, 1) != 1) { - size = 0; - data.reset(); - } - isFI = parseMagic(data.get(), data.get() + size) > 0; - return data; -} - -std::unique_ptr<FIReader> FIReader::create(IOStream *stream) -{ - size_t size; - bool isFI; - auto data = readFile(stream, size, isFI); - if (isFI) { - return std::unique_ptr<FIReader>(new CFIReaderImpl(std::move(data), size)); - } - else { - auto memios = std::unique_ptr<MemoryIOStream>(new MemoryIOStream(data.release(), size, true)); - auto callback = std::unique_ptr<CIrrXML_IOStreamReader>(new CIrrXML_IOStreamReader(memios.get())); - return std::unique_ptr<FIReader>(new CXMLReaderImpl(std::unique_ptr<irr::io::IIrrXMLReader<char, irr::io::IXMLBase>>(createIrrXMLReader(callback.get())))); - } -} - -}// namespace Assimp - -#endif // !ASSIMP_BUILD_NO_X3D_IMPORTER |