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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
107 lines
3.8 KiB
C++
107 lines
3.8 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmGetFilenameComponentCommand.h"
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#include "cmSystemTools.h"
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// cmGetFilenameComponentCommand
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bool cmGetFilenameComponentCommand::InitialPass(
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std::vector<std::string> const& args, cmExecutionStatus&)
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{
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if (args.size() < 3) {
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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// Check and see if the value has been stored in the cache
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// already, if so use that value
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if (args.size() >= 4 && args[args.size() - 1] == "CACHE") {
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const char* cacheValue = this->Makefile->GetDefinition(args[0]);
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if (cacheValue && !cmSystemTools::IsNOTFOUND(cacheValue)) {
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return true;
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}
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}
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std::string result;
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std::string filename = args[1];
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if (filename.find("[HKEY") != filename.npos) {
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// Check the registry as the target application would view it.
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cmSystemTools::KeyWOW64 view = cmSystemTools::KeyWOW64_32;
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cmSystemTools::KeyWOW64 other_view = cmSystemTools::KeyWOW64_64;
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if (this->Makefile->PlatformIs64Bit()) {
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view = cmSystemTools::KeyWOW64_64;
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other_view = cmSystemTools::KeyWOW64_32;
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}
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cmSystemTools::ExpandRegistryValues(filename, view);
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if (filename.find("/registry") != filename.npos) {
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std::string other = args[1];
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cmSystemTools::ExpandRegistryValues(other, other_view);
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if (other.find("/registry") == other.npos) {
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filename = other;
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}
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}
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}
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std::string storeArgs;
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std::string programArgs;
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if (args[2] == "DIRECTORY" || args[2] == "PATH") {
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result = cmSystemTools::GetFilenamePath(filename);
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} else if (args[2] == "NAME") {
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result = cmSystemTools::GetFilenameName(filename);
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} else if (args[2] == "PROGRAM") {
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for (unsigned int i = 2; i < args.size(); ++i) {
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if (args[i] == "PROGRAM_ARGS") {
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i++;
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if (i < args.size()) {
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storeArgs = args[i];
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}
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}
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}
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cmSystemTools::SplitProgramFromArgs(filename, result, programArgs);
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} else if (args[2] == "EXT") {
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result = cmSystemTools::GetFilenameExtension(filename);
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} else if (args[2] == "NAME_WE") {
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result = cmSystemTools::GetFilenameWithoutExtension(filename);
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} else if (args[2] == "ABSOLUTE" || args[2] == "REALPATH") {
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// If the path given is relative, evaluate it relative to the
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// current source directory unless the user passes a different
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// base directory.
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std::string baseDir = this->Makefile->GetCurrentSourceDirectory();
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for (unsigned int i = 3; i < args.size(); ++i) {
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if (args[i] == "BASE_DIR") {
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++i;
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if (i < args.size()) {
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baseDir = args[i];
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}
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}
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}
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// Collapse the path to its simplest form.
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result = cmSystemTools::CollapseFullPath(filename, baseDir);
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if (args[2] == "REALPATH") {
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// Resolve symlinks if possible
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result = cmSystemTools::GetRealPath(result);
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}
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} else {
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std::string err = "unknown component " + args[2];
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this->SetError(err);
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return false;
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}
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if (args.size() >= 4 && args[args.size() - 1] == "CACHE") {
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if (!programArgs.empty() && !storeArgs.empty()) {
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this->Makefile->AddCacheDefinition(storeArgs, programArgs.c_str(), "",
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args[2] == "PATH" ? cmState::FILEPATH
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: cmState::STRING);
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}
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this->Makefile->AddCacheDefinition(args[0], result.c_str(), "",
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args[2] == "PATH" ? cmState::FILEPATH
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: cmState::STRING);
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} else {
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if (!programArgs.empty() && !storeArgs.empty()) {
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this->Makefile->AddDefinition(storeArgs, programArgs.c_str());
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}
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this->Makefile->AddDefinition(args[0], result.c_str());
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}
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return true;
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}
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