1 files changed, 216 insertions, 0 deletions
diff --git a/Source/cmQtAutoGeneratorCommon.cxx b/Source/cmQtAutoGeneratorCommon.cxx
new file mode 100644
index 0000000..2498fe8
--- /dev/null
+++ b/Source/cmQtAutoGeneratorCommon.cxx
@@ -0,0 +1,216 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmQtAutoGeneratorCommon.h"
+#include "cmAlgorithms.h"
+#include "cmSystemTools.h"
+
+#include <cmsys/FStream.hxx>
+#include <cmsys/RegularExpression.hxx>
+
+#include <sstream>
+#include <stddef.h>
+
+// - Static functions
+
+static std::string utilStripCR(std::string const& line)
+{
+  // Strip CR characters rcc may have printed (possibly more than one!).
+  std::string::size_type cr = line.find('\r');
+  if (cr != line.npos) {
+    return line.substr(0, cr);
+  }
+  return line;
+}
+
+/// @brief Reads the resource files list from from a .qrc file - Qt4 version
+/// @return True if the .qrc file was successfully parsed
+static bool RccListInputsQt4(const std::string& fileName,
+                             std::vector<std::string>& files,
+                             std::string* errorMessage)
+{
+  bool allGood = true;
+  // Read qrc file content into string
+  std::string qrcContents;
+  {
+    cmsys::ifstream ifs(fileName.c_str());
+    if (ifs) {
+      std::ostringstream osst;
+      osst << ifs.rdbuf();
+      qrcContents = osst.str();
+    } else {
+      if (errorMessage != CM_NULLPTR) {
+        std::ostringstream ost;
+        ost << "AutoRcc: Error: Rcc file not readable:\n"
+            << cmQtAutoGeneratorCommon::Quoted(fileName) << "\n";
+        *errorMessage = ost.str();
+      }
+      allGood = false;
+    }
+  }
+  if (allGood) {
+    // qrc file directory
+    std::string qrcDir(cmsys::SystemTools::GetFilenamePath(fileName));
+    if (!qrcDir.empty()) {
+      qrcDir += '/';
+    }
+
+    cmsys::RegularExpression fileMatchRegex("(<file[^<]+)");
+    cmsys::RegularExpression fileReplaceRegex("(^<file[^>]*>)");
+
+    size_t offset = 0;
+    while (fileMatchRegex.find(qrcContents.c_str() + offset)) {
+      std::string qrcEntry = fileMatchRegex.match(1);
+      offset += qrcEntry.size();
+      {
+        fileReplaceRegex.find(qrcEntry);
+        std::string tag = fileReplaceRegex.match(1);
+        qrcEntry = qrcEntry.substr(tag.size());
+      }
+      if (!cmSystemTools::FileIsFullPath(qrcEntry.c_str())) {
+        qrcEntry = qrcDir + qrcEntry;
+      }
+      files.push_back(qrcEntry);
+    }
+  }
+  return allGood;
+}
+
+/// @brief Reads the resource files list from from a .qrc file - Qt5 version
+/// @return True if the .qrc file was successfully parsed
+static bool RccListInputsQt5(const std::string& rccCommand,
+                             const std::string& fileName,
+                             std::vector<std::string>& files,
+                             std::string* errorMessage)
+{
+  if (rccCommand.empty()) {
+    cmSystemTools::Error("AutoRcc: Error: rcc executable not available\n");
+    return false;
+  }
+
+  // Read rcc features
+  bool hasDashDashList = false;
+  {
+    std::vector<std::string> command;
+    command.push_back(rccCommand);
+    command.push_back("--help");
+    std::string rccStdOut;
+    std::string rccStdErr;
+    int retVal = 0;
+    bool result =
+      cmSystemTools::RunSingleCommand(command, &rccStdOut, &rccStdErr, &retVal,
+                                      CM_NULLPTR, cmSystemTools::OUTPUT_NONE);
+    if (result && retVal == 0 &&
+        rccStdOut.find("--list") != std::string::npos) {
+      hasDashDashList = true;
+    }
+  }
+
+  // Run rcc list command
+  bool result = false;
+  int retVal = 0;
+  std::string rccStdOut;
+  std::string rccStdErr;
+  {
+    std::vector<std::string> command;
+    command.push_back(rccCommand);
+    command.push_back(hasDashDashList ? "--list" : "-list");
+    command.push_back(fileName);
+    result =
+      cmSystemTools::RunSingleCommand(command, &rccStdOut, &rccStdErr, &retVal,
+                                      CM_NULLPTR, cmSystemTools::OUTPUT_NONE);
+  }
+  if (!result || retVal) {
+    if (errorMessage != CM_NULLPTR) {
+      std::ostringstream ost;
+      ost << "AutoRcc: Error: Rcc list process for " << fileName
+          << " failed:\n"
+          << rccStdOut << "\n"
+          << rccStdErr << "\n";
+      *errorMessage = ost.str();
+    }
+    return false;
+  }
+
+  // Parse rcc std output
+  {
+    std::istringstream ostr(rccStdOut);
+    std::string oline;
+    while (std::getline(ostr, oline)) {
+      oline = utilStripCR(oline);
+      if (!oline.empty()) {
+        files.push_back(oline);
+      }
+    }
+  }
+  // Parse rcc error output
+  {
+    std::istringstream estr(rccStdErr);
+    std::string eline;
+    while (std::getline(estr, eline)) {
+      eline = utilStripCR(eline);
+      if (cmHasLiteralPrefix(eline, "RCC: Error in")) {
+        static std::string searchString = "Cannot find file '";
+
+        std::string::size_type pos = eline.find(searchString);
+        if (pos == std::string::npos) {
+          if (errorMessage != CM_NULLPTR) {
+            std::ostringstream ost;
+            ost << "AutoRcc: Error: Rcc lists unparsable output:\n"
+                << cmQtAutoGeneratorCommon::Quoted(eline) << "\n";
+            *errorMessage = ost.str();
+          }
+          return false;
+        }
+        pos += searchString.length();
+        std::string::size_type sz = eline.size() - pos - 1;
+        files.push_back(eline.substr(pos, sz));
+      }
+    }
+  }
+
+  return true;
+}
+
+// - Class definitions
+
+const char* cmQtAutoGeneratorCommon::listSep = "@LSEP@";
+
+std::string cmQtAutoGeneratorCommon::Quoted(const std::string& text)
+{
+  static const char* rep[18] = { "\\", "\\\\", "\"", "\\\"", "\a", "\\a",
+                                 "\b", "\\b",  "\f", "\\f",  "\n", "\\n",
+                                 "\r", "\\r",  "\t", "\\t",  "\v", "\\v" };
+
+  std::string res = text;
+  for (const char* const* it = cmArrayBegin(rep); it != cmArrayEnd(rep);
+       it += 2) {
+    cmSystemTools::ReplaceString(res, *it, *(it + 1));
+  }
+  res = '"' + res;
+  res += '"';
+  return res;
+}
+
+bool cmQtAutoGeneratorCommon::RccListInputs(const std::string& qtMajorVersion,
+                                            const std::string& rccCommand,
+                                            const std::string& fileName,
+                                            std::vector<std::string>& files,
+                                            std::string* errorMessage)
+{
+  bool allGood = false;
+  if (cmsys::SystemTools::FileExists(fileName.c_str())) {
+    if (qtMajorVersion == "4") {
+      allGood = RccListInputsQt4(fileName, files, errorMessage);
+    } else {
+      allGood = RccListInputsQt5(rccCommand, fileName, files, errorMessage);
+    }
+  } else {
+    if (errorMessage != CM_NULLPTR) {
+      std::ostringstream ost;
+      ost << "AutoRcc: Error: Rcc file does not exist:\n"
+          << cmQtAutoGeneratorCommon::Quoted(fileName) << "\n";
+      *errorMessage = ost.str();
+    }
+  }
+  return allGood;
+}