FindOpenSP: Add module to find the OpenSP library

OpenSP has not seen a release in seventeen years, so is unlikely to ever
provide a CMake package configuration file.  Add a find module instead.

5 files changed, 89 insertions, 0 deletions

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index b7de021..b6fec4d 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1476,6 +1476,7 @@ if(BUILD_TESTING)
             OpenCL
             OpenGL
             OpenMP
+            OpenSP
             OpenSSL
             MPI
             PNG
diff --git a/Tests/FindOpenSP/CMakeLists.txt b/Tests/FindOpenSP/CMakeLists.txt
new file mode 100644
index 0000000..26826d3
--- /dev/null
+++ b/Tests/FindOpenSP/CMakeLists.txt
@@ -0,0 +1,10 @@
+add_test(NAME FindOpenSP.Test COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindOpenSP/Test"
+  "${CMake_BINARY_DIR}/Tests/FindOpenSP/Test"
+  ${build_generator_args}
+  --build-project TestFindOpenSP
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/FindOpenSP/Test/CMakeLists.txt b/Tests/FindOpenSP/Test/CMakeLists.txt
new file mode 100644
index 0000000..d8992d9
--- /dev/null
+++ b/Tests/FindOpenSP/Test/CMakeLists.txt
@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.4)
+project(TestFindOpenSP CXX)
+include(CTest)
+
+find_package(OpenSP REQUIRED)
+
+add_definitions(-DSP_MULTI_BYTE="${OpenSP_MULTI_BYTE}")
+
+add_executable(test_tgt main.cxx)
+target_link_libraries(test_tgt OpenSP::OpenSP)
+add_test(NAME test_tgt COMMAND test_tgt)
+
+add_executable(test_var main.cxx)
+target_include_directories(test_var PRIVATE ${OpenSP_INCLUDE_DIRS})
+target_link_libraries(test_var PRIVATE ${OpenSP_LIBRARIES})
+add_test(NAME test_var COMMAND test_var)
diff --git a/Tests/FindOpenSP/Test/main.cxx b/Tests/FindOpenSP/Test/main.cxx
new file mode 100644
index 0000000..ef8aa2c
--- /dev/null
+++ b/Tests/FindOpenSP/Test/main.cxx
@@ -0,0 +1,55 @@
+#include <cassert>
+#include <string>
+
+#include "ParserEventGeneratorKit.h"
+
+std::string CharStringtostring(const SGMLApplication::CharString source)
+{
+  // The CharString type might have multi-byte characters if SP_MULTI_BYTE was
+  // defined
+  std::string result;
+  result.resize(source.len);
+  for (size_t i = 0; i < source.len; i++) {
+    result[i] = static_cast<char>(source.ptr[i]);
+  }
+  return result;
+}
+
+class OutlineApplication : public SGMLApplication
+{
+public:
+  OutlineApplication()
+    : depth_(0)
+  {
+  }
+  void startElement(const StartElementEvent& event)
+  {
+    for (unsigned i = 0; i < depth_; i++)
+      parsedOutput += "\t";
+    parsedOutput += CharStringtostring(event.gi);
+    depth_++;
+  }
+  void endElement(const EndElementEvent&) { depth_--; }
+  std::string parsedOutput;
+
+private:
+  unsigned depth_;
+};
+
+int main()
+{
+  std::string expectedOutput = "TESTDOC\tTESTELEMENT";
+  char file_name[] = "test.sgml";
+  char* files[] = { file_name, 0 };
+
+  ParserEventGeneratorKit parserKit;
+  EventGenerator* egp = parserKit.makeEventGenerator(1, files);
+  OutlineApplication app;
+  unsigned nErrors = egp->run(app);
+
+  assert(nErrors == 0);
+  assert(app.parsedOutput.compare(expectedOutput) == 0);
+
+  delete egp;
+  return 0;
+}
diff --git a/Tests/FindOpenSP/Test/test.sgml b/Tests/FindOpenSP/Test/test.sgml
new file mode 100644
index 0000000..bbf0da6
--- /dev/null
+++ b/Tests/FindOpenSP/Test/test.sgml
@@ -0,0 +1,7 @@
+ <!DOCTYPE TESTDOC [
+<!ELEMENT TESTDOC - - (TESTELEMENT)+>
+<!ELEMENT TESTELEMENT - - (#PCDATA)>
+]>
+<TESTDOC>
+<TESTELEMENT>Hello</TESTELEMENT>
+</TESTDOC>