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88 lines
2.5 KiB
C++
88 lines
2.5 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 "cmGetDirectoryPropertyCommand.h"
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#include "cmExecutionStatus.h"
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#include "cmGlobalGenerator.h"
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#include "cmMakefile.h"
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#include "cmSystemTools.h"
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#include "cmValue.h"
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namespace {
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void StoreResult(cmMakefile& makefile, std::string const& variable,
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cmValue prop);
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}
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// cmGetDirectoryPropertyCommand
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bool cmGetDirectoryPropertyCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 2) {
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status.SetError("called with incorrect number of arguments");
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return false;
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}
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auto i = args.begin();
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std::string const& variable = *i;
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++i;
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// get the directory argument if there is one
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cmMakefile* dir = &status.GetMakefile();
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if (*i == "DIRECTORY") {
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++i;
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if (i == args.end()) {
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status.SetError(
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"DIRECTORY argument provided without subsequent arguments");
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return false;
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}
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std::string sd = cmSystemTools::CollapseFullPath(
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*i, status.GetMakefile().GetCurrentSourceDirectory());
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// lookup the makefile from the directory name
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dir = status.GetMakefile().GetGlobalGenerator()->FindMakefile(sd);
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if (!dir) {
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status.SetError(
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"DIRECTORY argument provided but requested directory not found. "
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"This could be because the directory argument was invalid or, "
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"it is valid but has not been processed yet.");
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return false;
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}
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++i;
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if (i == args.end()) {
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status.SetError("called with incorrect number of arguments");
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return false;
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}
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}
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// OK, now we have the directory to process, we just get the requested
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// information out of it
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if (*i == "DEFINITION") {
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++i;
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if (i == args.end()) {
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status.SetError("A request for a variable definition was made without "
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"providing the name of the variable to get.");
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return false;
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}
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std::string const& output = dir->GetSafeDefinition(*i);
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status.GetMakefile().AddDefinition(variable, output);
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return true;
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}
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if (i->empty()) {
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status.SetError("given empty string for the property name to get");
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return false;
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}
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StoreResult(status.GetMakefile(), variable, dir->GetProperty(*i));
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return true;
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}
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namespace {
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void StoreResult(cmMakefile& makefile, std::string const& variable,
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cmValue prop)
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{
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makefile.AddDefinition(variable, prop);
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}
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}
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