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-rw-r--r--unoidl/source/unoidlprovider.cxx1431
1 files changed, 1431 insertions, 0 deletions
diff --git a/unoidl/source/unoidlprovider.cxx b/unoidl/source/unoidlprovider.cxx
new file mode 100644
index 0000000000..d6f4d4ddd5
--- /dev/null
+++ b/unoidl/source/unoidlprovider.cxx
@@ -0,0 +1,1431 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <algorithm>
+#include <cassert>
+#include <cstring>
+#include <set>
+#include <string_view>
+#include <utility>
+#include <vector>
+
+#include <o3tl/string_view.hxx>
+#include <osl/endian.h>
+#include <osl/file.h>
+#include <rtl/character.hxx>
+#include <rtl/ref.hxx>
+#include <rtl/textenc.h>
+#include <rtl/textcvt.h>
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+#include <sal/types.h>
+#include <salhelper/simplereferenceobject.hxx>
+#include <unoidl/unoidl.hxx>
+
+#include "unoidlprovider.hxx"
+
+namespace unoidl::detail {
+
+class MappedFile: public salhelper::SimpleReferenceObject {
+public:
+ explicit MappedFile(OUString fileUrl);
+
+ sal_uInt8 read8(sal_uInt32 offset) const;
+
+ sal_uInt16 read16(sal_uInt32 offset) const;
+
+ sal_uInt32 read32(sal_uInt32 offset) const;
+
+ sal_uInt64 read64(sal_uInt32 offset) const;
+
+ float readIso60599Binary32(sal_uInt32 offset) const;
+
+ double readIso60599Binary64(sal_uInt32 offset) const;
+
+ OUString readNulName(sal_uInt32 offset) /*const*/;
+
+ OUString readIdxName(sal_uInt32 * offset) const
+ { return readIdxString(offset, RTL_TEXTENCODING_ASCII_US); }
+
+ OUString readIdxString(sal_uInt32 * offset) const
+ { return readIdxString(offset, RTL_TEXTENCODING_UTF8); }
+
+ OUString uri;
+ oslFileHandle handle;
+ sal_uInt64 size;
+ void * address;
+
+private:
+ virtual ~MappedFile() override;
+
+ sal_uInt8 get8(sal_uInt32 offset) const;
+
+ sal_uInt16 get16(sal_uInt32 offset) const;
+
+ sal_uInt32 get32(sal_uInt32 offset) const;
+
+ sal_uInt64 get64(sal_uInt32 offset) const;
+
+ float getIso60599Binary32(sal_uInt32 offset) const;
+
+ double getIso60599Binary64(sal_uInt32 offset) const;
+
+ OUString readIdxString(sal_uInt32 * offset, rtl_TextEncoding encoding)
+ const;
+};
+
+namespace {
+
+// sizeof (Memory16) == 2
+struct Memory16 {
+ unsigned char byte[2];
+
+ sal_uInt16 getUnsigned16() const {
+ return static_cast< sal_uInt16 >(byte[0])
+ | (static_cast< sal_uInt16 >(byte[1]) << 8);
+ }
+};
+
+// sizeof (Memory32) == 4
+struct Memory32 {
+ unsigned char byte[4];
+
+ sal_uInt32 getUnsigned32() const {
+ return static_cast< sal_uInt32 >(byte[0])
+ | (static_cast< sal_uInt32 >(byte[1]) << 8)
+ | (static_cast< sal_uInt32 >(byte[2]) << 16)
+ | (static_cast< sal_uInt32 >(byte[3]) << 24);
+ }
+
+ float getIso60599Binary32() const {
+ union {
+ unsigned char buf[4];
+ float f; // assuming float is ISO 60599 binary32
+ } sa;
+#if defined OSL_LITENDIAN
+ sa.buf[0] = byte[0];
+ sa.buf[1] = byte[1];
+ sa.buf[2] = byte[2];
+ sa.buf[3] = byte[3];
+#else
+ sa.buf[0] = byte[3];
+ sa.buf[1] = byte[2];
+ sa.buf[2] = byte[1];
+ sa.buf[3] = byte[0];
+#endif
+ return sa.f;
+ }
+};
+
+// sizeof (Memory64) == 8
+struct Memory64 {
+ unsigned char byte[8];
+
+ sal_uInt64 getUnsigned64() const {
+ return static_cast< sal_uInt64 >(byte[0])
+ | (static_cast< sal_uInt64 >(byte[1]) << 8)
+ | (static_cast< sal_uInt64 >(byte[2]) << 16)
+ | (static_cast< sal_uInt64 >(byte[3]) << 24)
+ | (static_cast< sal_uInt64 >(byte[4]) << 32)
+ | (static_cast< sal_uInt64 >(byte[5]) << 40)
+ | (static_cast< sal_uInt64 >(byte[6]) << 48)
+ | (static_cast< sal_uInt64 >(byte[7]) << 56);
+ }
+
+ double getIso60599Binary64() const {
+ union {
+ unsigned char buf[8];
+ double d; // assuming double is ISO 60599 binary64
+ } sa;
+#if defined OSL_LITENDIAN
+ sa.buf[0] = byte[0];
+ sa.buf[1] = byte[1];
+ sa.buf[2] = byte[2];
+ sa.buf[3] = byte[3];
+ sa.buf[4] = byte[4];
+ sa.buf[5] = byte[5];
+ sa.buf[6] = byte[6];
+ sa.buf[7] = byte[7];
+#else
+ sa.buf[0] = byte[7];
+ sa.buf[1] = byte[6];
+ sa.buf[2] = byte[5];
+ sa.buf[3] = byte[4];
+ sa.buf[4] = byte[3];
+ sa.buf[5] = byte[2];
+ sa.buf[6] = byte[1];
+ sa.buf[7] = byte[0];
+#endif
+ return sa.d;
+ }
+};
+
+bool isSimpleType(std::u16string_view type) {
+ return type == u"void" || type == u"boolean" || type == u"byte"
+ || type == u"short" || type == u"unsigned short" || type == u"long"
+ || type == u"unsigned long" || type == u"hyper"
+ || type == u"unsigned hyper" || type == u"float" || type == u"double"
+ || type == u"char" || type == u"string" || type == u"type"
+ || type == u"any";
+}
+
+// For backwards compatibility, does not strictly check segments to match
+//
+// <segment> ::= <blocks> | <block>
+// <blocks> ::= <capital> <other>* ("_" <block>)*
+// <block> ::= <other>+
+// <other> ::= <capital> | "a"--"z" | "0"--"9"
+// <capital> ::= "A"--"Z"
+//
+bool isIdentifier(std::u16string_view type, bool scoped) {
+ if (type.empty()) {
+ return false;
+ }
+ for (size_t i = 0; i != type.size(); ++i) {
+ sal_Unicode c = type[i];
+ if (c == '.') {
+ if (!scoped || i == 0 || i == type.size() - 1
+ || type[i - 1] == '.')
+ {
+ return false;
+ }
+ } else if (!rtl::isAsciiAlphanumeric(c) && c != '_') {
+ return false;
+ }
+ }
+ return true;
+}
+
+void checkTypeName(
+ rtl::Reference< MappedFile > const & file, std::u16string_view type)
+{
+ std::u16string_view nucl(type);
+ bool args = false;
+ while (o3tl::starts_with(nucl, u"[]", &nucl)) {}
+ size_t i = nucl.find('<');
+ if (i != std::u16string_view::npos) {
+ std::u16string_view tmpl(nucl.substr(0, i));
+ do {
+ ++i; // skip '<' or ','
+ size_t j = i;
+ for (size_t level = 0; j != nucl.size(); ++j) {
+ sal_Unicode c = nucl[j];
+ if (c == ',') {
+ if (level == 0) {
+ break;
+ }
+ } else if (c == '<') {
+ ++level;
+ } else if (c == '>') {
+ if (level == 0) {
+ break;
+ }
+ --level;
+ }
+ }
+ if (j != nucl.size()) {
+ checkTypeName(file, nucl.substr(i, j - i));
+ args = true;
+ }
+ i = j;
+ } while (i != nucl.size() && nucl[i] != '>');
+ if (i != nucl.size() - 1 || nucl[i] != '>' || !args) {
+ tmpl = {}; // bad input
+ }
+ nucl = tmpl;
+ }
+ if (isSimpleType(nucl) ? args : !isIdentifier(nucl, true)) {
+ throw FileFormatException(
+ file->uri, OUString::Concat("UNOIDL format: bad type \"") + type + "\"");
+ }
+}
+
+void checkEntityName(
+ rtl::Reference< MappedFile > const & file, std::u16string_view name)
+{
+ if (isSimpleType(name) || !isIdentifier(name, false)) {
+ throw FileFormatException(
+ file->uri, OUString::Concat("UNOIDL format: bad entity name \"") + name + "\"");
+ }
+}
+
+}
+
+MappedFile::MappedFile(OUString fileUrl): uri(std::move(fileUrl)), handle(nullptr) {
+ oslFileError e = osl_openFile(uri.pData, &handle, osl_File_OpenFlag_Read);
+ switch (e) {
+ case osl_File_E_None:
+ break;
+ case osl_File_E_NOENT:
+ throw NoSuchFileException(uri);
+ default:
+ throw FileFormatException(uri, "cannot open: " + OUString::number(e));
+ }
+ e = osl_getFileSize(handle, &size);
+ if (e == osl_File_E_None) {
+ e = osl_mapFile(
+ handle, &address, size, 0, osl_File_MapFlag_RandomAccess);
+ }
+ if (e != osl_File_E_None) {
+ oslFileError e2 = osl_closeFile(handle);
+ SAL_WARN_IF(
+ e2 != osl_File_E_None, "unoidl",
+ "cannot close " << uri << ": " << +e2);
+ throw FileFormatException(uri, "cannot mmap: " + OUString::number(e));
+ }
+}
+
+sal_uInt8 MappedFile::read8(sal_uInt32 offset) const {
+ assert(size >= 8);
+ if (offset > size - 1) {
+ throw FileFormatException(
+ uri, "UNOIDL format: offset for 8-bit value too large");
+ }
+ return get8(offset);
+}
+
+sal_uInt16 MappedFile::read16(sal_uInt32 offset) const {
+ assert(size >= 8);
+ if (offset > size - 2) {
+ throw FileFormatException(
+ uri, "UNOIDL format: offset for 16-bit value too large");
+ }
+ return get16(offset);
+}
+
+sal_uInt32 MappedFile::read32(sal_uInt32 offset) const {
+ assert(size >= 8);
+ if (offset > size - 4) {
+ throw FileFormatException(
+ uri, "UNOIDL format: offset for 32-bit value too large");
+ }
+ return get32(offset);
+}
+
+sal_uInt64 MappedFile::read64(sal_uInt32 offset) const {
+ assert(size >= 8);
+ if (offset > size - 8) {
+ throw FileFormatException(
+ uri, "UNOIDL format: offset for 64-bit value too large");
+ }
+ return get64(offset);
+}
+
+float MappedFile::readIso60599Binary32(sal_uInt32 offset) const {
+ assert(size >= 8);
+ if (offset > size - 4) {
+ throw FileFormatException(
+ uri, "UNOIDL format: offset for 32-bit value too large");
+ }
+ return getIso60599Binary32(offset);
+}
+
+double MappedFile::readIso60599Binary64(sal_uInt32 offset) const {
+ assert(size >= 8);
+ if (offset > size - 8) {
+ throw FileFormatException(
+ uri, "UNOIDL format: offset for 64-bit value too large");
+ }
+ return getIso60599Binary64(offset);
+}
+
+OUString MappedFile::readNulName(sal_uInt32 offset) {
+ if (offset > size) {
+ throw FileFormatException(
+ uri, "UNOIDL format: offset for string too large");
+ }
+ sal_uInt64 end = offset;
+ for (;; ++end) {
+ if (end == size) {
+ throw FileFormatException(
+ uri, "UNOIDL format: string misses trailing NUL");
+ }
+ if (static_cast< char const * >(address)[end] == 0) {
+ break;
+ }
+ }
+ if (end - offset > SAL_MAX_INT32) {
+ throw FileFormatException(uri, "UNOIDL format: string too long");
+ }
+ OUString name;
+ if (!rtl_convertStringToUString(
+ &name.pData, static_cast< char const * >(address) + offset,
+ end - offset, RTL_TEXTENCODING_ASCII_US,
+ (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR
+ | RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR
+ | RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR)))
+ {
+ throw FileFormatException(uri, "UNOIDL format: name is not ASCII");
+ }
+ checkEntityName(this, name);
+ return name;
+}
+
+MappedFile::~MappedFile() {
+ oslFileError e = osl_unmapMappedFile(handle, address, size);
+ SAL_WARN_IF(e != osl_File_E_None, "unoidl", "cannot unmap: " << +e);
+ e = osl_closeFile(handle);
+ SAL_WARN_IF(e != osl_File_E_None, "unoidl", "cannot close: " << +e);
+}
+
+sal_uInt8 MappedFile::get8(sal_uInt32 offset) const {
+ assert(size >= 8);
+ assert(offset <= size - 1);
+ return static_cast< char const * >(address)[offset];
+}
+
+sal_uInt16 MappedFile::get16(sal_uInt32 offset) const {
+ assert(size >= 8);
+ assert(offset <= size - 2);
+ return reinterpret_cast< Memory16 const * >(
+ static_cast< char const * >(address) + offset)->getUnsigned16();
+}
+
+sal_uInt32 MappedFile::get32(sal_uInt32 offset) const {
+ assert(size >= 8);
+ assert(offset <= size - 4);
+ return reinterpret_cast< Memory32 const * >(
+ static_cast< char const * >(address) + offset)->getUnsigned32();
+}
+
+sal_uInt64 MappedFile::get64(sal_uInt32 offset) const {
+ assert(size >= 8);
+ assert(offset <= size - 8);
+ return reinterpret_cast< Memory64 const * >(
+ static_cast< char const * >(address) + offset)->getUnsigned64();
+}
+
+float MappedFile::getIso60599Binary32(sal_uInt32 offset) const {
+ assert(size >= 8);
+ assert(offset <= size - 4);
+ return reinterpret_cast< Memory32 const * >(
+ static_cast< char const * >(address) + offset)->getIso60599Binary32();
+}
+
+double MappedFile::getIso60599Binary64(sal_uInt32 offset) const {
+ assert(size >= 8);
+ assert(offset <= size - 8);
+ return reinterpret_cast< Memory64 const * >(
+ static_cast< char const * >(address) + offset)->getIso60599Binary64();
+}
+
+OUString MappedFile::readIdxString(
+ sal_uInt32 * offset, rtl_TextEncoding encoding) const
+{
+ assert(offset != nullptr);
+ sal_uInt32 len = read32(*offset);
+ sal_uInt32 off;
+ if ((len & 0x80000000) == 0) {
+ off = *offset;
+ *offset += 4 + len;
+ } else {
+ *offset += 4;
+ off = len & ~0x80000000;
+ len = read32(off);
+ if ((len & 0x80000000) != 0) {
+ throw FileFormatException(
+ uri, "UNOIDL format: string length high bit set");
+ }
+ }
+ if (len > SAL_MAX_INT32 || len > size - off - 4) {
+ throw FileFormatException(
+ uri, "UNOIDL format: size of string is too large");
+ }
+ OUString name;
+ if (!rtl_convertStringToUString(
+ &name.pData, static_cast< char const * >(address) + off + 4, len,
+ encoding,
+ (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR
+ | RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR
+ | RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR)))
+ {
+ throw FileFormatException(
+ uri, "UNOIDL format: string bytes do not match encoding");
+ }
+ return name;
+}
+
+// sizeof (MapEntry) == 8
+struct MapEntry {
+ Memory32 name;
+ Memory32 data;
+};
+
+static bool operator <(const Map& map1, const Map& map2) {
+ return map1.begin < map2.begin
+ || (map1.begin == map2.begin && map1.size < map2.size);
+}
+
+namespace {
+
+enum Compare { COMPARE_LESS, COMPARE_GREATER, COMPARE_EQUAL };
+
+Compare compare(
+ rtl::Reference< MappedFile > const & file, std::u16string_view name,
+ sal_Int32 nameOffset, sal_Int32 nameLength, MapEntry const * entry)
+{
+ assert(file.is());
+ assert(entry != nullptr);
+ sal_uInt32 off = entry->name.getUnsigned32();
+ if (off > file->size - 1) { // at least a trailing NUL
+ throw FileFormatException(
+ file->uri, "UNOIDL format: string offset too large");
+ }
+ assert(nameLength >= 0);
+ sal_uInt64 min = std::min(
+ static_cast< sal_uInt64 >(nameLength), file->size - off);
+ for (sal_uInt64 i = 0; i != min; ++i) {
+ sal_Unicode c1 = name[nameOffset + i];
+ sal_Unicode c2 = static_cast< unsigned char const * >(file->address)[
+ off + i];
+ if (c1 < c2) {
+ return COMPARE_LESS;
+ } else if (c1 > c2 || c2 == 0) {
+ // ...the "|| c2 == 0" is for the odd case where name erroneously
+ // contains NUL characters
+ return COMPARE_GREATER;
+ }
+ }
+ if (static_cast< sal_uInt64 >(nameLength) == min) {
+ if (file->size - off == min) {
+ throw FileFormatException(
+ file->uri, "UNOIDL format: string misses trailing NUL");
+ }
+ return
+ static_cast< unsigned char const * >(file->address)[off + min] == 0
+ ? COMPARE_EQUAL : COMPARE_LESS;
+ } else {
+ return COMPARE_GREATER;
+ }
+}
+
+sal_uInt32 findInMap(
+ rtl::Reference< MappedFile > const & file, MapEntry const * mapBegin,
+ sal_uInt32 mapSize, OUString const & name, sal_Int32 nameOffset,
+ sal_Int32 nameLength)
+{
+ if (mapSize == 0) {
+ return 0;
+ }
+ sal_uInt32 n = mapSize / 2;
+ MapEntry const * p = mapBegin + n;
+ switch (compare(file, name, nameOffset, nameLength, p)) {
+ case COMPARE_LESS:
+ return findInMap(file, mapBegin, n, name, nameOffset, nameLength);
+ case COMPARE_GREATER:
+ return findInMap(
+ file, p + 1, mapSize - n - 1, name, nameOffset, nameLength);
+ default: // COMPARE_EQUAL
+ break;
+ }
+ sal_uInt32 off = mapBegin[n].data.getUnsigned32();
+ if (off == 0) {
+ throw FileFormatException(
+ file->uri, "UNOIDL format: map entry data offset is null");
+ }
+ return off;
+}
+
+#if defined(__COVERITY__)
+extern "C" void __coverity_tainted_data_sanitize__(void *);
+#endif
+
+std::vector< OUString > readAnnotations(
+ bool annotated, rtl::Reference< MappedFile > const & file,
+ sal_uInt32 offset, sal_uInt32 * newOffset = nullptr)
+{
+ std::vector< OUString > ans;
+ if (annotated) {
+ sal_uInt32 n = file->read32(offset);
+#if defined(__COVERITY__)
+ __coverity_tainted_data_sanitize__(&n);
+#endif
+ offset += 4;
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ ans.push_back(file->readIdxString(&offset));
+ }
+ }
+ if (newOffset != nullptr) {
+ *newOffset = offset;
+ }
+ return ans;
+}
+
+ConstantValue readConstant(
+ rtl::Reference< MappedFile > const & file, sal_uInt32 offset,
+ sal_uInt32 * newOffset, bool * annotated)
+{
+ assert(file.is());
+ int v = file->read8(offset);
+ int type = v & 0x7F;
+ if (annotated != nullptr) {
+ *annotated = (v & 0x80) != 0;
+ }
+ switch (type) {
+ case 0: // BOOLEAN
+ v = file->read8(offset + 1);
+ if (newOffset != nullptr) {
+ *newOffset = offset + 2;
+ }
+ switch (v) {
+ case 0:
+ return ConstantValue(false);
+ case 1:
+ return ConstantValue(true);
+ default:
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: bad boolean constant value "
+ + OUString::number(v)));
+ }
+ case 1: // BYTE
+ if (newOffset != nullptr) {
+ *newOffset = offset + 2;
+ }
+ return ConstantValue(static_cast< sal_Int8 >(file->read8(offset + 1)));
+ //TODO: implementation-defined behavior of conversion from sal_uInt8
+ // to sal_Int8 relies on two's complement representation
+ case 2: // SHORT
+ if (newOffset != nullptr) {
+ *newOffset = offset + 3;
+ }
+ return ConstantValue(
+ static_cast< sal_Int16 >(file->read16(offset + 1)));
+ //TODO: implementation-defined behavior of conversion from
+ // sal_uInt16 to sal_Int16 relies on two's complement representation
+ case 3: // UNSIGNED SHORT
+ if (newOffset != nullptr) {
+ *newOffset = offset + 3;
+ }
+ return ConstantValue(file->read16(offset + 1));
+ case 4: // LONG
+ if (newOffset != nullptr) {
+ *newOffset = offset + 5;
+ }
+ return ConstantValue(
+ static_cast< sal_Int32 >(file->read32(offset + 1)));
+ //TODO: implementation-defined behavior of conversion from
+ // sal_uInt32 to sal_Int32 relies on two's complement representation
+ case 5: // UNSIGNED LONG
+ if (newOffset != nullptr) {
+ *newOffset = offset + 5;
+ }
+ return ConstantValue(file->read32(offset + 1));
+ case 6: // HYPER
+ if (newOffset != nullptr) {
+ *newOffset = offset + 9;
+ }
+ return ConstantValue(
+ static_cast< sal_Int64 >(file->read64(offset + 1)));
+ //TODO: implementation-defined behavior of conversion from
+ // sal_uInt64 to sal_Int64 relies on two's complement representation
+ case 7: // UNSIGNED HYPER
+ if (newOffset != nullptr) {
+ *newOffset = offset + 9;
+ }
+ return ConstantValue(file->read64(offset + 1));
+ case 8: // FLOAT
+ if (newOffset != nullptr) {
+ *newOffset = offset + 5;
+ }
+ return ConstantValue(file->readIso60599Binary32(offset + 1));
+ case 9: // DOUBLE
+ if (newOffset != nullptr) {
+ *newOffset = offset + 9;
+ }
+ return ConstantValue(file->readIso60599Binary64(offset + 1));
+ default:
+ throw FileFormatException(
+ file->uri,
+ "UNOIDL format: bad constant type byte " + OUString::number(v));
+ }
+}
+
+rtl::Reference< Entity > readEntity(
+ rtl::Reference< MappedFile > const & file, sal_uInt32 offset,
+ std::set<Map> && trace);
+
+class UnoidlModuleEntity;
+
+class UnoidlCursor: public MapCursor {
+public:
+ UnoidlCursor(
+ rtl::Reference< MappedFile > file,
+ rtl::Reference<UnoidlProvider> reference1,
+ rtl::Reference<UnoidlModuleEntity> reference2,
+ NestedMap const & map):
+ file_(std::move(file)), reference1_(std::move(reference1)), reference2_(std::move(reference2)),
+ map_(map), index_(0)
+ {}
+
+private:
+ virtual ~UnoidlCursor() noexcept override {}
+
+ virtual rtl::Reference< Entity > getNext(OUString * name) override;
+
+ rtl::Reference< MappedFile > file_;
+ rtl::Reference<UnoidlProvider> reference1_; // HACK to keep alive whatever
+ rtl::Reference<UnoidlModuleEntity> reference2_; // owner of map_
+ NestedMap const & map_;
+ sal_uInt32 index_;
+};
+
+rtl::Reference< Entity > UnoidlCursor::getNext(OUString * name) {
+ assert(name != nullptr);
+ rtl::Reference< Entity > ent;
+ if (index_ != map_.map.size) {
+ *name = file_->readNulName(map_.map.begin[index_].name.getUnsigned32());
+ ent = readEntity(
+ file_, map_.map.begin[index_].data.getUnsigned32(), std::set(map_.trace));
+ ++index_;
+ }
+ return ent;
+}
+
+class UnoidlModuleEntity: public ModuleEntity {
+public:
+ UnoidlModuleEntity(
+ rtl::Reference< MappedFile > const & file, sal_uInt32 mapOffset,
+ sal_uInt32 mapSize, std::set<Map> && trace):
+ file_(file)
+ {
+ assert(file.is());
+ map_.map.begin = reinterpret_cast<MapEntry const *>(
+ static_cast<char const *>(file_->address) + mapOffset);
+ map_.map.size = mapSize;
+ map_.trace = std::move(trace);
+ if (!map_.trace.insert(map_.map).second) {
+ throw FileFormatException(
+ file_->uri, "UNOIDL format: recursive map");
+ }
+ }
+
+private:
+ virtual ~UnoidlModuleEntity() noexcept override {}
+
+ virtual std::vector< OUString > getMemberNames() const override;
+
+ virtual rtl::Reference< MapCursor > createCursor() const override {
+ return new UnoidlCursor(
+ file_, rtl::Reference<UnoidlProvider>(),
+ const_cast<UnoidlModuleEntity *>(this), map_);
+ }
+
+ rtl::Reference< MappedFile > file_;
+ NestedMap map_;
+};
+
+std::vector< OUString > UnoidlModuleEntity::getMemberNames() const {
+ std::vector< OUString > names;
+ for (sal_uInt32 i = 0; i != map_.map.size; ++i) {
+ names.push_back(
+ file_->readNulName(map_.map.begin[i].name.getUnsigned32()));
+ }
+ return names;
+}
+
+rtl::Reference< Entity > readEntity(
+ rtl::Reference< MappedFile > const & file, sal_uInt32 offset,
+ std::set<Map> && trace)
+{
+ assert(file.is());
+ int v = file->read8(offset);
+ int type = v & 0x3F;
+ bool published = (v & 0x80) != 0;
+ bool annotated = (v & 0x40) != 0;
+ bool flag = (v & 0x20) != 0;
+ switch (type) {
+ case 0: // module
+ {
+ if (v != 0) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: bad module type byte "
+ + OUString::number(v)));
+ }
+ sal_uInt32 n = file->read32(offset + 1);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri, "UNOIDL format: too many items in module");
+ }
+ if (sal_uInt64(offset) + 5 + 8 * sal_uInt64(n) > file->size)
+ // cannot overflow
+ {
+ throw FileFormatException(
+ file->uri,
+ "UNOIDL format: module map offset + size too large");
+ }
+ return new UnoidlModuleEntity(file, offset + 5, n, std::move(trace));
+ }
+ case 1: // enum type
+ {
+ sal_uInt32 n = file->read32(offset + 1);
+ if (n == 0) {
+ throw FileFormatException(
+ file->uri, "UNOIDL format: enum type with no members");
+ }
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri, "UNOIDL format: too many members of enum type");
+ }
+ offset += 5;
+ std::vector< EnumTypeEntity::Member > mems;
+ mems.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString memName(file->readIdxName(&offset));
+ checkEntityName(file, memName);
+ sal_Int32 memValue = static_cast< sal_Int32 >(
+ file->read32(offset));
+ //TODO: implementation-defined behavior of conversion from
+ // sal_uInt32 to sal_Int32 relies on two's complement
+ // representation
+ offset += 4;
+ mems.emplace_back(
+ memName, memValue,
+ readAnnotations(annotated, file, offset, &offset));
+ }
+ return new EnumTypeEntity(
+ published, std::move(mems), readAnnotations(annotated, file, offset));
+ }
+ case 2: // plain struct type without base
+ case 2 | 0x20: // plain struct type with base
+ {
+ ++offset;
+ OUString base;
+ if (flag) {
+ base = file->readIdxName(&offset);
+ if (base.isEmpty()) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: empty base type name of plain struct"
+ " type"));
+ }
+ checkTypeName(file, base);
+ }
+ sal_uInt32 n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct members of plain struct"
+ " type"));
+ }
+ offset += 4;
+ std::vector< PlainStructTypeEntity::Member > mems;
+ mems.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString memName(file->readIdxName(&offset));
+ checkEntityName(file, memName);
+ OUString memType(file->readIdxName(&offset));
+ checkTypeName(file, memType);
+ mems.emplace_back(
+ memName, memType,
+ readAnnotations(annotated, file, offset, &offset));
+ }
+ return new PlainStructTypeEntity(
+ published, base, std::move(mems),
+ readAnnotations(annotated, file, offset));
+ }
+ case 3: // polymorphic struct type template
+ {
+ sal_uInt32 n = file->read32(offset + 1);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many type parameters of polymorphic"
+ " struct type template"));
+ }
+ offset += 5;
+ std::vector< OUString > params;
+ params.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString param(file->readIdxName(&offset));
+ checkEntityName(file, param);
+ params.push_back(param);
+ }
+ n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many members of polymorphic struct"
+ " type template"));
+ }
+ offset += 4;
+ std::vector< PolymorphicStructTypeTemplateEntity::Member > mems;
+ mems.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ v = file->read8(offset);
+ ++offset;
+ OUString memName(file->readIdxName(&offset));
+ checkEntityName(file, memName);
+ OUString memType(file->readIdxName(&offset));
+ checkTypeName(file, memType);
+ if (v > 1) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: bad flags " + OUString::number(v)
+ + " for member " + memName
+ + " of polymorphic struct type template"));
+ }
+ mems.emplace_back(
+ memName, memType, v == 1,
+ readAnnotations(annotated, file, offset, &offset));
+ }
+ return new PolymorphicStructTypeTemplateEntity(
+ published, std::move(params), std::move(mems),
+ readAnnotations(annotated, file, offset));
+ }
+ case 4: // exception type without base
+ case 4 | 0x20: // exception type with base
+ {
+ ++offset;
+ OUString base;
+ if (flag) {
+ base = file->readIdxName(&offset);
+ if (base.isEmpty()) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: empty base type name of exception"
+ " type"));
+ }
+ checkTypeName(file, base);
+ }
+ sal_uInt32 n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ "UNOIDL format: too many direct members of exception type");
+ }
+ offset += 4;
+ std::vector< ExceptionTypeEntity::Member > mems;
+ mems.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString memName(file->readIdxName(&offset));
+ checkEntityName(file, memName);
+ OUString memType(file->readIdxName(&offset));
+ checkTypeName(file, memType);
+ mems.emplace_back(
+ memName, memType,
+ readAnnotations(annotated, file, offset, &offset));
+ }
+ return new ExceptionTypeEntity(
+ published, base, std::move(mems),
+ readAnnotations(annotated, file, offset));
+ }
+ case 5: // interface type
+ {
+ sal_uInt32 n = file->read32(offset + 1);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct mandatory bases of"
+ " interface type"));
+ }
+ offset += 5;
+ std::vector< AnnotatedReference > mandBases;
+ mandBases.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ mandBases.emplace_back(
+ base, readAnnotations(annotated, file, offset, &offset));
+ }
+ n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct optional bases of"
+ " interface type"));
+ }
+ offset += 4;
+ std::vector< AnnotatedReference > optBases;
+ optBases.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ optBases.emplace_back(
+ base, readAnnotations(annotated, file, offset, &offset));
+ }
+ sal_uInt32 nAttrs = file->read32(offset);
+ if (nAttrs > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct attributes of interface"
+ " type"));
+ }
+ offset += 4;
+ std::vector< InterfaceTypeEntity::Attribute > attrs;
+ attrs.reserve(nAttrs);
+ for (sal_uInt32 i = 0; i != nAttrs; ++i) {
+ v = file->read8(offset);
+ ++offset;
+ OUString attrName(file->readIdxName(&offset));
+ checkEntityName(file, attrName);
+ OUString attrType(file->readIdxName(&offset));
+ checkTypeName(file, attrType);
+ if (v > 0x03) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: bad flags for direct attribute "
+ + attrName + " of interface type"));
+ }
+ std::vector< OUString > getExcs;
+ sal_uInt32 m = file->read32(offset);
+ if (m > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many getter exceptions for direct"
+ " attribute " + attrName + " of interface type"));
+ }
+ offset += 4;
+ getExcs.reserve(m);
+ for (sal_uInt32 j = 0; j != m; ++j) {
+ OUString exc(file->readIdxName(&offset));
+ checkTypeName(file, exc);
+ getExcs.push_back(exc);
+ }
+ std::vector< OUString > setExcs;
+ if ((v & 0x02) == 0) {
+ m = file->read32(offset);
+ if (m > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many setter exceptions for"
+ " direct attribute " + attrName
+ + " of interface type"));
+ }
+ offset += 4;
+ setExcs.reserve(m);
+ for (sal_uInt32 j = 0; j != m; ++j) {
+ OUString exc(file->readIdxName(&offset));
+ checkTypeName(file, exc);
+ setExcs.push_back(exc);
+ }
+ }
+ attrs.emplace_back(
+ attrName, attrType, (v & 0x01) != 0, (v & 0x02) != 0,
+ std::move(getExcs), std::move(setExcs),
+ readAnnotations(annotated, file, offset, &offset));
+ }
+ sal_uInt32 nMeths = file->read32(offset);
+ if (nMeths > SAL_MAX_INT32 - nAttrs) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct attributes and methods of"
+ " interface type"));
+ }
+ offset += 4;
+ std::vector< InterfaceTypeEntity::Method > meths;
+ meths.reserve(nMeths);
+ for (sal_uInt32 i = 0; i != nMeths; ++i) {
+ OUString methName(file->readIdxName(&offset));
+ checkEntityName(file, methName);
+ OUString methType(file->readIdxName(&offset));
+ checkTypeName(file, methType);
+ sal_uInt32 m = file->read32(offset);
+ if (m > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many parameters for method "
+ + methName + " of interface type"));
+ }
+ offset += 4;
+ std::vector< InterfaceTypeEntity::Method::Parameter > params;
+ params.reserve(m);
+ for (sal_uInt32 j = 0; j != m; ++j) {
+ v = file->read8(offset);
+ ++offset;
+ OUString paramName(file->readIdxName(&offset));
+ checkEntityName(file, paramName);
+ OUString paramType(file->readIdxName(&offset));
+ checkTypeName(file, paramType);
+ InterfaceTypeEntity::Method::Parameter::Direction dir;
+ switch (v) {
+ case 0:
+ dir = InterfaceTypeEntity::Method::Parameter::
+ DIRECTION_IN;
+ break;
+ case 1:
+ dir = InterfaceTypeEntity::Method::Parameter::
+ DIRECTION_OUT;
+ break;
+ case 2:
+ dir = InterfaceTypeEntity::Method::Parameter::
+ DIRECTION_IN_OUT;
+ break;
+ default:
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: bad direction "
+ + OUString::number(v) + " of parameter "
+ + paramName + " for method " + methName
+ + " of interface type"));
+ }
+ params.emplace_back(paramName, paramType, dir);
+ }
+ std::vector< OUString > excs;
+ m = file->read32(offset);
+ if (m > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many exceptions for method "
+ + methName + " of interface type"));
+ }
+ offset += 4;
+ excs.reserve(m);
+ for (sal_uInt32 j = 0; j != m; ++j) {
+ OUString exc(file->readIdxName(&offset));
+ checkTypeName(file, exc);
+ excs.push_back(exc);
+ }
+ meths.emplace_back(
+ methName, methType, std::move(params), std::move(excs),
+ readAnnotations(annotated, file, offset, &offset));
+ }
+ return new InterfaceTypeEntity(
+ published, std::move(mandBases), std::move(optBases), std::move(attrs), std::move(meths),
+ readAnnotations(annotated, file, offset));
+ }
+ case 6: // typedef
+ {
+ ++offset;
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ return new TypedefEntity(
+ published, base, readAnnotations(annotated, file, offset));
+ }
+ case 7: // constant group
+ {
+ sal_uInt32 n = file->read32(offset + 1);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ "UNOIDL format: too many constants in constant group");
+ }
+ if (sal_uInt64(offset) + 5 + 8 * sal_uInt64(n) > file->size)
+ // cannot overflow
+ {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: constant group map offset + size too"
+ " large"));
+ }
+ MapEntry const * p = reinterpret_cast< MapEntry const * >(
+ static_cast< char const * >(file->address) + offset + 5);
+ std::vector< ConstantGroupEntity::Member > mems;
+ mems.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ sal_uInt32 off = p[i].data.getUnsigned32();
+ bool ann;
+ ConstantValue val(readConstant(file, off, &off, &ann));
+ mems.emplace_back(
+ file->readNulName(p[i].name.getUnsigned32()), val,
+ readAnnotations(ann, file, off));
+ }
+ return new ConstantGroupEntity(
+ published, std::move(mems),
+ readAnnotations(annotated, file, offset + 5 + 8 * n));
+ }
+ case 8: // single-interface--based service without default constructor
+ case 8 | 0x20: // single-interface--based service with default constructor
+ {
+ ++offset;
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ std::vector< SingleInterfaceBasedServiceEntity::Constructor > ctors;
+ if (flag) {
+ ctors.push_back(
+ SingleInterfaceBasedServiceEntity::Constructor());
+ } else {
+ sal_uInt32 n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many constructors of"
+ " single-interface--based service"));
+ }
+ offset += 4;
+ ctors.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString ctorName(file->readIdxName(&offset));
+ checkEntityName(file, ctorName);
+ sal_uInt32 m = file->read32(offset);
+ if (m > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many parameters for"
+ " constructor " + ctorName
+ + " of single-interface--based service"));
+ }
+ offset += 4;
+ std::vector<
+ SingleInterfaceBasedServiceEntity::Constructor::
+ Parameter > params;
+ params.reserve(m);
+ for (sal_uInt32 j = 0; j != m; ++j) {
+ v = file->read8(offset);
+ ++offset;
+ OUString paramName(file->readIdxName(&offset));
+ checkEntityName(file, paramName);
+ OUString paramType(file->readIdxName(&offset));
+ checkTypeName(file, paramType);
+ bool rest;
+ switch (v) {
+ case 0:
+ rest = false;
+ break;
+ case 0x04:
+ rest = true;
+ break;
+ default:
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: bad mode "
+ + OUString::number(v) + " of parameter "
+ + paramName + " for constructor " + ctorName
+ + " of single-interface--based service"));
+ }
+ params.emplace_back(paramName, paramType, rest);
+ }
+ std::vector< OUString > excs;
+ m = file->read32(offset);
+ if (m > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many exceptions for"
+ " constructor " + ctorName
+ + " of single-interface--based service"));
+ }
+ offset += 4;
+ excs.reserve(m);
+ for (sal_uInt32 j = 0; j != m; ++j) {
+ OUString exc(file->readIdxName(&offset));
+ checkTypeName(file, exc);
+ excs.push_back(exc);
+ }
+ ctors.push_back(
+ SingleInterfaceBasedServiceEntity::Constructor(
+ ctorName, std::move(params), std::move(excs),
+ readAnnotations(annotated, file, offset, &offset)));
+ }
+ }
+ return new SingleInterfaceBasedServiceEntity(
+ published, base, std::move(ctors),
+ readAnnotations(annotated, file, offset));
+ }
+ case 9: // accumulation-based service
+ {
+ sal_uInt32 n = file->read32(offset + 1);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct mandatory service bases of"
+ " accumulation-based service"));
+ }
+ offset += 5;
+ std::vector< AnnotatedReference > mandServs;
+ mandServs.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ mandServs.emplace_back(
+ base, readAnnotations(annotated, file, offset, &offset));
+ }
+ n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct optional service bases of"
+ " accumulation-based service"));
+ }
+ offset += 4;
+ std::vector< AnnotatedReference > optServs;
+ optServs.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ optServs.emplace_back(
+ base, readAnnotations(annotated, file, offset, &offset));
+ }
+ n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct mandatory interface bases"
+ " of accumulation-based service"));
+ }
+ offset += 4;
+ std::vector< AnnotatedReference > mandIfcs;
+ mandIfcs.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ mandIfcs.emplace_back(
+ base, readAnnotations(annotated, file, offset, &offset));
+ }
+ n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct optional interface bases"
+ " of accumulation-based service"));
+ }
+ offset += 4;
+ std::vector< AnnotatedReference > optIfcs;
+ optIfcs.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ optIfcs.emplace_back(
+ base, readAnnotations(annotated, file, offset, &offset));
+ }
+ n = file->read32(offset);
+ if (n > SAL_MAX_INT32) {
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: too many direct properties of"
+ " accumulation-based service"));
+ }
+ offset += 4;
+ std::vector< AccumulationBasedServiceEntity::Property > props;
+ props.reserve(n);
+ for (sal_uInt32 i = 0; i != n; ++i) {
+ sal_uInt16 attrs = file->read16(offset);
+ offset += 2;
+ OUString propName(file->readIdxName(&offset));
+ checkEntityName(file, propName);
+ OUString propType(file->readIdxName(&offset));
+ checkTypeName(file, propType);
+ if (attrs > 0x01FF) { // see css.beans.PropertyAttribute
+ throw FileFormatException(
+ file->uri,
+ ("UNOIDL format: bad mode " + OUString::number(v)
+ + " of property " + propName
+ + " for accumulation-based service"));
+ }
+ props.emplace_back(
+ propName, propType,
+ static_cast<
+ AccumulationBasedServiceEntity::Property::Attributes >(
+ attrs),
+ readAnnotations(annotated, file, offset, &offset));
+ }
+ return new AccumulationBasedServiceEntity(
+ published, std::move(mandServs), std::move(optServs), std::move(mandIfcs), std::move(optIfcs), std::move(props),
+ readAnnotations(annotated, file, offset));
+ }
+ case 10: // interface-based singleton
+ {
+ ++offset;
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ return new InterfaceBasedSingletonEntity(
+ published, base, readAnnotations(annotated, file, offset));
+ }
+ case 11: // service-based singleton
+ {
+ ++offset;
+ OUString base(file->readIdxName(&offset));
+ checkTypeName(file, base);
+ return new ServiceBasedSingletonEntity(
+ published, base, readAnnotations(annotated, file, offset));
+ }
+ default:
+ throw FileFormatException(
+ file->uri, "UNOIDL format: bad type byte " + OUString::number(v));
+ }
+}
+
+}
+
+UnoidlProvider::UnoidlProvider(OUString const & uri): file_(new MappedFile(uri))
+{
+ if (file_->size < 8 || std::memcmp(file_->address, "UNOIDL\xFF\0", 8) != 0)
+ {
+ throw FileFormatException(
+ file_->uri,
+ "UNOIDL format: does not begin with magic UNOIDL\\xFF and version"
+ " 0");
+ }
+ sal_uInt32 off = file_->read32(8);
+ map_.map.size = file_->read32(12);
+ if (off + 8 * sal_uInt64(map_.map.size) > file_->size) { // cannot overflow
+ throw FileFormatException(
+ file_->uri, "UNOIDL format: root map offset + size too large");
+ }
+ map_.map.begin = reinterpret_cast< MapEntry const * >(
+ static_cast< char const * >(file_->address) + off);
+ map_.trace.insert(map_.map);
+}
+
+rtl::Reference< MapCursor > UnoidlProvider::createRootCursor() const {
+ return new UnoidlCursor(
+ file_, const_cast<UnoidlProvider *>(this),
+ rtl::Reference<UnoidlModuleEntity>(), map_);
+}
+
+rtl::Reference< Entity > UnoidlProvider::findEntity(OUString const & name) const
+{
+ NestedMap map(map_);
+ bool cgroup = false;
+ for (sal_Int32 i = 0;;) {
+ sal_Int32 j = name.indexOf('.', i);
+ if (j == -1) {
+ j = name.getLength();
+ }
+ sal_Int32 off = findInMap(
+ file_, map.map.begin, map.map.size, name, i, j - i);
+ if (off == 0) {
+ return rtl::Reference< Entity >();
+ }
+ if (j == name.getLength()) {
+ return cgroup
+ ? rtl::Reference< Entity >()
+ : readEntity(file_, off, std::set(map.trace));
+ }
+ if (cgroup) {
+ return rtl::Reference< Entity >();
+ //TODO: throw an exception instead here, where the segments of a
+ // constant's name are a prefix of the requested name's
+ // segments?
+ }
+ int v = file_->read8(off);
+ if (v != 0) { // module
+ if ((v & 0x3F) == 7) { // constant group
+ cgroup = true;
+ } else {
+ return rtl::Reference< Entity >();
+ //TODO: throw an exception instead here, where the segments
+ // of a non-module, non-constant-group entity's name are a
+ // prefix of the requested name's segments?
+ }
+ }
+ map.map.size = file_->read32(off + 1);
+ if (sal_uInt64(off) + 5 + 8 * sal_uInt64(map.map.size) > file_->size)
+ // cannot overflow
+ {
+ throw FileFormatException(
+ file_->uri, "UNOIDL format: map offset + size too large");
+ }
+ map.map.begin = reinterpret_cast< MapEntry const * >(
+ static_cast< char const * >(file_->address) + off + 5);
+ if (!map.trace.insert(map.map).second) {
+ throw FileFormatException(
+ file_->uri, "UNOIDL format: recursive map");
+ }
+ i = j + 1;
+ }
+}
+
+UnoidlProvider::~UnoidlProvider() noexcept {}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 23:51:34 +0000