cmRulePlaceholderExpander: Extract from cmLocalGenerator

Implement cmLocalGenerator::ExpandRuleVariables in terms of the new
class for source compatibility and to reduce diff noise in this commit.

1 files changed, 83 insertions, 0 deletions

diff --git a/Source/cmRulePlaceholderExpander.h b/Source/cmRulePlaceholderExpander.h
new file mode 100644
index 0000000000..444419c8e0
--- /dev/null
+++ b/Source/cmRulePlaceholderExpander.h
@@ -0,0 +1,83 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+
+#ifndef cmRulePlaceholderExpander_h
+#define cmRulePlaceholderExpander_h
+
+#include <cmConfigure.h> // IWYU pragma: keep
+
+#include <map>
+#include <string>
+
+class cmGeneratorTarget;
+class cmOutputConverter;
+
+class cmRulePlaceholderExpander
+{
+public:
+  cmRulePlaceholderExpander(
+    std::map<std::string, std::string> const& compilers,
+    std::map<std::string, std::string> const& variableMappings,
+    std::string const& compilerSysroot);
+
+  void SetTargetImpLib(std::string const& targetImpLib)
+  {
+    this->TargetImpLib = targetImpLib;
+  }
+
+  // Create a struct to hold the varibles passed into
+  // ExpandRuleVariables
+  struct RuleVariables
+  {
+    RuleVariables();
+    const char* CMTargetName;
+    const char* CMTargetType;
+    const char* TargetPDB;
+    const char* TargetCompilePDB;
+    const char* TargetVersionMajor;
+    const char* TargetVersionMinor;
+    const char* Language;
+    const char* Objects;
+    const char* Target;
+    const char* LinkLibraries;
+    const char* Source;
+    const char* AssemblySource;
+    const char* PreprocessedSource;
+    const char* Output;
+    const char* Object;
+    const char* ObjectDir;
+    const char* ObjectFileDir;
+    const char* Flags;
+    const char* ObjectsQuoted;
+    const char* SONameFlag;
+    const char* TargetSOName;
+    const char* TargetInstallNameDir;
+    const char* LinkFlags;
+    const char* Manifests;
+    const char* LanguageCompileFlags;
+    const char* Defines;
+    const char* Includes;
+    const char* RuleLauncher;
+    const char* DependencyFile;
+    const char* FilterPrefix;
+  };
+
+  // Expand rule variables in CMake of the type found in language rules
+  void ExpandRuleVariables(cmOutputConverter* outputConverter,
+                           std::string& string,
+                           const RuleVariables& replaceValues);
+
+  // Expand rule variables in a single string
+  std::string ExpandRuleVariable(cmOutputConverter* outputConverter,
+                                 std::string const& variable,
+                                 const RuleVariables& replaceValues);
+
+private:
+  std::string TargetImpLib;
+
+  std::map<std::string, std::string> Compilers;
+  std::map<std::string, std::string> VariableMappings;
+  std::string CompilerSysroot;
+};
+
+#endif