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The branch, next has been updated via 2ca60fe320a698b12b43cfa9f1fca565f072a2f2 (commit) via 180eb8f7e5b4da947622e16e51a02e44a946a85e (commit) from 79e24c9ca3cf87a9302463517aa1728f3191e9ae (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=2ca60fe320a698b12b43cfa9f1fca565f072a2f2 commit 2ca60fe320a698b12b43cfa9f1fca565f072a2f2 Merge: 79e24c9 180eb8f Author: Nils Gladitz <nilsglad...@gmail.com> AuthorDate: Wed Aug 27 08:30:02 2014 -0400 Commit: CMake Topic Stage <kwro...@kitware.com> CommitDate: Wed Aug 27 08:30:02 2014 -0400 Merge topic 'string-uuid' into next 180eb8f7 StringUuid: Implement new string(UUID) sub-command. http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=180eb8f7e5b4da947622e16e51a02e44a946a85e commit 180eb8f7e5b4da947622e16e51a02e44a946a85e Author: Nils Gladitz <nilsglad...@gmail.com> AuthorDate: Mon Aug 25 22:44:06 2014 +0200 Commit: Nils Gladitz <nilsglad...@gmail.com> CommitDate: Wed Aug 27 14:29:46 2014 +0200 StringUuid: Implement new string(UUID) sub-command. diff --git a/Help/command/string.rst b/Help/command/string.rst index abde6ee..8ed0e86 100644 --- a/Help/command/string.rst +++ b/Help/command/string.rst @@ -36,6 +36,8 @@ String operations. string(TIMESTAMP <output variable> [<format string>] [UTC]) string(MAKE_C_IDENTIFIER <input string> <output variable>) string(GENEX_STRIP <input string> <output variable>) + string(UUID <output variable> NAMESPACE <namespace> NAME <name> + TYPE <MD5|SHA1> <UPPER>) REGEX MATCH will match the regular expression once and store the match in the output variable. @@ -159,3 +161,13 @@ identifier in C. ``GENEX_STRIP`` will strip any :manual:`generator expressions <cmake-generator-expressions(7)>` from the ``input string`` and store the result in the ``output variable``. + +UUID creates a univerally unique identifier (aka GUID) as per RFC4122 +based on the hash of the combined values of <namespace> +(which itself has to be a valid UUID) and <name>. +The hash algorithm can be either ``MD5`` (Version 3 UUID) or +``SHA1`` (Version 5 UUID). +A UUID has the format ``xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx`` +where each `x` represents a lower case hexadecimal character. +Where required an uppercase representation can be requested +with the optional ``UPPER`` flag. diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt index ff7bc8d..c3f77f4 100644 --- a/Source/CMakeLists.txt +++ b/Source/CMakeLists.txt @@ -308,6 +308,7 @@ set(SRCS cmTest.h cmTestGenerator.cxx cmTestGenerator.h + cmUuid.cxx cmVariableWatch.cxx cmVariableWatch.h cmVersion.cxx diff --git a/Source/cmStringCommand.cxx b/Source/cmStringCommand.cxx index 65912da..c38f452 100644 --- a/Source/cmStringCommand.cxx +++ b/Source/cmStringCommand.cxx @@ -20,6 +20,7 @@ #include <time.h> #include <cmTimestamp.h> +#include <cmUuid.h> //---------------------------------------------------------------------------- bool cmStringCommand @@ -105,6 +106,10 @@ bool cmStringCommand { return this->HandleGenexStripCommand(args); } + else if(subCommand == "UUID") + { + return this->HandleUuidCommand(args); + } std::string e = "does not recognize sub-command "+subCommand; this->SetError(e); @@ -981,3 +986,114 @@ bool cmStringCommand return true; } + +bool cmStringCommand +::HandleUuidCommand(std::vector<std::string> const& args) +{ +#if defined(CMAKE_BUILD_WITH_CMAKE) + unsigned int argsIndex = 1; + + if(args.size() < 2) + { + this->SetError("no output variable specified."); + return false; + } + + const std::string &outputVariable = args[argsIndex++]; + + std::string uuidNamespaceString; + std::string uuidName; + std::string uuidType; + bool uuidUpperCase = false; + + while(args.size() > argsIndex) + { + if(args[argsIndex] == "NAMESPACE") + { + ++argsIndex; + if(argsIndex >= args.size()) + { + this->SetError("missing value for NAMESPACE."); + return false; + } + uuidNamespaceString = args[argsIndex++]; + } + else if(args[argsIndex] == "NAME") + { + ++argsIndex; + if(argsIndex >= args.size()) + { + this->SetError("missing value for NAME."); + return false; + } + uuidName = args[argsIndex++]; + } + else if(args[argsIndex] == "TYPE") + { + ++argsIndex; + if(argsIndex >= args.size()) + { + this->SetError("missing value for TYPE."); + return false; + } + uuidType = args[argsIndex++]; + } + else if(args[argsIndex] == "UPPER") + { + ++argsIndex; + uuidUpperCase = true; + } + else + { + std::string e = "UUID sub-command does not recognize option " + + args[argsIndex] + "."; + this->SetError(e); + return false; + } + } + + std::string uuid; + cmUuid uuidGenerator; + + std::vector<unsigned char> uuidNamespace; + if(!uuidGenerator.StringToBinary(uuidNamespaceString, uuidNamespace)) + { + this->SetError("malformed NAMESPACE UUID."); + return false; + } + + if(uuidType == "MD5") + { + uuid = uuidGenerator.FromMd5(uuidNamespace, uuidName); + } + else if(uuidType == "SHA1") + { + uuid = uuidGenerator.FromSha1(uuidNamespace, uuidName); + } + else + { + std::string e = "unknown UUID TYPE '" + uuidType + "'."; + this->SetError(e); + return false; + } + + if(uuid.empty()) + { + this->SetError("UUID generation failed."); + return false; + } + + if(uuidUpperCase) + { + uuid = cmSystemTools::UpperCase(uuid); + } + + this->Makefile->AddDefinition(outputVariable, uuid.c_str()); + return true; +#else + cmOStringStream e; + e << args[0] << " not available during bootstrap"; + this->SetError(e.str().c_str()); + return false; +#endif +} diff --git a/Source/cmStringCommand.h b/Source/cmStringCommand.h index 8292e64..9c75095 100644 --- a/Source/cmStringCommand.h +++ b/Source/cmStringCommand.h @@ -74,6 +74,7 @@ protected: bool HandleTimestampCommand(std::vector<std::string> const& args); bool HandleMakeCIdentifierCommand(std::vector<std::string> const& args); bool HandleGenexStripCommand(std::vector<std::string> const& args); + bool HandleUuidCommand(std::vector<std::string> const& args); class RegexReplacement { diff --git a/Source/cmUuid.cxx b/Source/cmUuid.cxx new file mode 100644 index 0000000..8f208e4 --- /dev/null +++ b/Source/cmUuid.cxx @@ -0,0 +1,214 @@ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2014 Kitware, Inc., Insight Software Consortium + + Distributed under the OSI-approved BSD License (the "License"); + see accompanying file Copyright.txt for details. + + This software is distributed WITHOUT ANY WARRANTY; without even the + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the License for more information. +============================================================================*/ +#include "cmUuid.h" + +#include <sstream> + +#include <string.h> + +#include <cmsys/MD5.h> +#include "cm_sha2.h" + +cmUuid::cmUuid() +{ + Groups.push_back(4); + Groups.push_back(2); + Groups.push_back(2); + Groups.push_back(2); + Groups.push_back(6); +} + +std::string cmUuid::FromMd5(std::vector<unsigned char> const& uuidNamespace, + std::string const& name) const +{ + std::vector<unsigned char> hashInput; + this->CreateHashInput(uuidNamespace, name, hashInput); + + cmsysMD5_s *md5 = cmsysMD5_New(); + cmsysMD5_Initialize(md5); + cmsysMD5_Append(md5, &hashInput[0], int(hashInput.size())); + + unsigned char digest[16] = {0}; + cmsysMD5_Finalize(md5, digest); + + cmsysMD5_Delete(md5); + + return this->FromDigest(digest, 3); +} + +std::string cmUuid::FromSha1(std::vector<unsigned char> const& uuidNamespace, + std::string const& name) const +{ + std::vector<unsigned char> hashInput; + this->CreateHashInput(uuidNamespace, name, hashInput); + + SHA_CTX *sha = new SHA_CTX; + SHA1_Init(sha); + SHA1_Update(sha, &hashInput[0], hashInput.size()); + + unsigned char digest[SHA1_DIGEST_LENGTH] = {0}; + SHA1_Final(digest, sha); + + delete sha; + + return this->FromDigest(digest, 5); +} + +void cmUuid::CreateHashInput(std::vector<unsigned char> const& uuidNamespace, + std::string const& name, std::vector<unsigned char> &output) const +{ + output = uuidNamespace; + + if(name.size()) + { + output.resize(output.size() + name.size()); + + memcpy(&output[0] + uuidNamespace.size(), + name.c_str(), name.size()); + } +} + +std::string cmUuid::FromDigest( + const unsigned char* digest, int version) const +{ + unsigned char uuid[16] = {0}; + memcpy(uuid, digest, 16); + + uuid[6] &= 0xF; + uuid[6] |= (version << 4); + + uuid[8] &= 0x3F; + uuid[8] |= 0x80; + + return this->BinaryToString(uuid); +} + +bool cmUuid::StringToBinary(std::string const& input, + std::vector<unsigned char> &output) const +{ + output.clear(); + output.reserve(16); + + if(input.length() != 36) + { + return false; + } + size_t index = 0; + for(size_t i = 0; i < this->Groups.size(); ++i) + { + if(i != 0 && input[index++] != '-') + { + return false; + } + size_t digits = this->Groups[i] * 2; + if(!StringToBinaryImpl(input.substr(index, digits), output)) + { + return false; + } + + index += digits; + } + + return true; +} + +std::string cmUuid::BinaryToString(const unsigned char* input) const +{ + std::string output; + + size_t inputIndex = 0; + for(size_t i = 0; i < this->Groups.size(); ++i) + { + if(i != 0) + { + output += '-'; + } + + size_t bytes = this->Groups[i]; + for(size_t j = 0; j < bytes; ++j) + { + int byte = input[inputIndex++]; + output += this->ByteToHex(byte); + } + } + + return output; +} + +std::string cmUuid::ByteToHex(int byte) const +{ + std::string result; + for(int i = 0; i < 2; ++i) + { + int rest = byte % 16; + byte /= 16; + + char c = (rest < 0xA) ? + '0' + rest : + 'a' + (rest - 0xA); + + result = c + result; + } + + return result; +} + +bool cmUuid::StringToBinaryImpl(std::string const& input, + std::vector<unsigned char> &output) const +{ + if(input.size()%2) + { + return false; + } + + for(size_t i = 0; i < input.size(); i +=2) + { + char c1 = 0; + if(!IntFromHexDigit(input[i], c1)) + { + return false; + } + + char c2 = 0; + if(!IntFromHexDigit(input[i + 1], c2)) + { + return false; + } + + output.push_back(char(c1 << 4 | c2)); + } + + return true; +} + +bool cmUuid::IntFromHexDigit(char input, char& output) const +{ + if(input >= '0' && input <= '9') + { + output = input - '0'; + return true; + } + else if(input >= 'a' && input <= 'f') + { + output = input - 'a' + 0xA; + return true; + } + else if(input >= 'A' && input <= 'F') + { + output = input - 'A' + 0xA; + return true; + } + else + { + return false; + } +} diff --git a/Source/cmUuid.h b/Source/cmUuid.h new file mode 100644 index 0000000..10b5c96 --- /dev/null +++ b/Source/cmUuid.h @@ -0,0 +1,55 @@ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2014 Kitware, Inc., Insight Software Consortium + + Distributed under the OSI-approved BSD License (the "License"); + see accompanying file Copyright.txt for details. + + This software is distributed WITHOUT ANY WARRANTY; without even the + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the License for more information. +============================================================================*/ +#ifndef cmUuid_h +#define cmUuid_h + +#include <string> +#include <vector> + +/** \class cmUuid + * \brief Utility class to generate UUIDs as defined by RFC4122 + * + */ +class cmUuid +{ +public: + cmUuid(); + + std::string FromMd5(std::vector<unsigned char> const& uuidNamespace, + std::string const& name) const; + + std::string FromSha1(std::vector<unsigned char> const& uuidNamespace, + std::string const& name) const; + + bool StringToBinary(std::string const& input, + std::vector<unsigned char> &output) const; + +private: + std::string ByteToHex(int byte) const; + + void CreateHashInput(std::vector<unsigned char> const& uuidNamespace, + std::string const& name, std::vector<unsigned char> &output) const; + + std::string FromDigest(const unsigned char* digest, int version) const; + + bool StringToBinaryImpl(std::string const& input, + std::vector<unsigned char> &output) const; + + std::string BinaryToString(const unsigned char* input) const; + + bool IntFromHexDigit(char input, char& output) const; + + std::vector<int> Groups; +}; + + +#endif diff --git a/Tests/StringFileTest/CMakeLists.txt b/Tests/StringFileTest/CMakeLists.txt index 683f969..8004144 100644 --- a/Tests/StringFileTest/CMakeLists.txt +++ b/Tests/StringFileTest/CMakeLists.txt @@ -289,3 +289,19 @@ string(GENEX_STRIP "one;$<1:two;three>;four;$<TARGET_OBJECTS:some_target>" strip if (NOT strip_result STREQUAL "one;four") message(SEND_ERROR "GENEX_STRIP did not create expected result: ${strip_result}") endif() + +set(UUID_DNS_NAMESPACE 6ba7b810-9dad-11d1-80b4-00c04fd430c8) + +string(UUID WWW_EXAMPLE_COM_MD5_UUID + NAMESPACE ${UUID_DNS_NAMESPACE} NAME www.example.com TYPE MD5) + +if(NOT WWW_EXAMPLE_COM_MD5_UUID STREQUAL "5df41881-3aed-3515-88a7-2f4a814cf09e") + message(SEND_ERROR "UUID did not create the expected MD5 result: ${WWW_EXAMPLE_COM_MD5_UUID}") +endif() + +string(UUID WWW_EXAMPLE_COM_SHA1_UUID + NAMESPACE ${UUID_DNS_NAMESPACE} NAME www.example.com TYPE SHA1 UPPER) + +if(NOT WWW_EXAMPLE_COM_SHA1_UUID STREQUAL "2ED6657D-E927-568B-95E1-2665A8AEA6A2") + message(SEND_ERROR "UUID did not create the expected SHA1 result: ${WWW_EXAMPLE_COM_SHA1_UUID}") +endif() ----------------------------------------------------------------------- Summary of changes: hooks/post-receive -- CMake _______________________________________________ Cmake-commits mailing list Cmake-commits@cmake.org http://public.kitware.com/mailman/listinfo/cmake-commits