1 files changed, 112 insertions, 0 deletions
diff --git a/Source/cmCMakePresetsGraphInternal.h b/Source/cmCMakePresetsGraphInternal.h
new file mode 100644
index 0000000..b2e6791
--- /dev/null
+++ b/Source/cmCMakePresetsGraphInternal.h
@@ -0,0 +1,112 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include <memory>
+
+#include "cmCMakePresetsGraph.h"
+
+#define CHECK_OK(expr)                                                        \
+  do {                                                                        \
+    auto _result = expr;                                                      \
+    if (_result != ReadFileResult::READ_OK)                                   \
+      return _result;                                                         \
+  } while (false)
+
+namespace cmCMakePresetsGraphInternal {
+enum class ExpandMacroResult
+{
+  Ok,
+  Ignore,
+  Error,
+};
+
+using MacroExpander = std::function<ExpandMacroResult(
+  const std::string&, const std::string&, std::string&, int version)>;
+}
+
+class cmCMakePresetsGraph::Condition
+{
+public:
+  virtual ~Condition() = default;
+
+  virtual bool Evaluate(
+    const std::vector<cmCMakePresetsGraphInternal::MacroExpander>& expanders,
+    int version, cm::optional<bool>& out) const = 0;
+  virtual bool IsNull() const { return false; }
+};
+
+namespace cmCMakePresetsGraphInternal {
+
+class NullCondition : public cmCMakePresetsGraph::Condition
+{
+  bool Evaluate(const std::vector<MacroExpander>& /*expanders*/,
+                int /*version*/, cm::optional<bool>& out) const override
+  {
+    out = true;
+    return true;
+  }
+
+  bool IsNull() const override { return true; }
+};
+
+class ConstCondition : public cmCMakePresetsGraph::Condition
+{
+public:
+  bool Evaluate(const std::vector<MacroExpander>& /*expanders*/,
+                int /*version*/, cm::optional<bool>& out) const override
+  {
+    out = this->Value;
+    return true;
+  }
+
+  bool Value;
+};
+
+class EqualsCondition : public cmCMakePresetsGraph::Condition
+{
+public:
+  bool Evaluate(const std::vector<MacroExpander>& expanders, int version,
+                cm::optional<bool>& out) const override;
+
+  std::string Lhs;
+  std::string Rhs;
+};
+
+class InListCondition : public cmCMakePresetsGraph::Condition
+{
+public:
+  bool Evaluate(const std::vector<MacroExpander>& expanders, int version,
+                cm::optional<bool>& out) const override;
+
+  std::string String;
+  std::vector<std::string> List;
+};
+
+class MatchesCondition : public cmCMakePresetsGraph::Condition
+{
+public:
+  bool Evaluate(const std::vector<MacroExpander>& expanders, int version,
+                cm::optional<bool>& out) const override;
+
+  std::string String;
+  std::string Regex;
+};
+
+class AnyAllOfCondition : public cmCMakePresetsGraph::Condition
+{
+public:
+  bool Evaluate(const std::vector<MacroExpander>& expanders, int version,
+                cm::optional<bool>& out) const override;
+
+  std::vector<std::unique_ptr<Condition>> Conditions;
+  bool StopValue;
+};
+
+class NotCondition : public cmCMakePresetsGraph::Condition
+{
+public:
+  bool Evaluate(const std::vector<MacroExpander>& expanders, int version,
+                cm::optional<bool>& out) const override;
+
+  std::unique_ptr<Condition> SubCondition;
+};
+}