summaryrefslogtreecommitdiffstats
path: root/Source/cmProcessTools.cxx
diff options
context:
space:
mode:
authorBrad King <brad.king@kitware.com>2009-02-24 15:40:18 (GMT)
committerBrad King <brad.king@kitware.com>2009-02-24 15:40:18 (GMT)
commit1936499250425a1d50d70759758c7385b4bdf6d4 (patch)
treeba467f3fdf79068f715b64eb6a72536d9cee2996 /Source/cmProcessTools.cxx
parent6bdc2b5d99313ab6418b07ff91320135907ac261 (diff)
downloadCMake-1936499250425a1d50d70759758c7385b4bdf6d4.zip
CMake-1936499250425a1d50d70759758c7385b4bdf6d4.tar.gz
CMake-1936499250425a1d50d70759758c7385b4bdf6d4.tar.bz2
ENH: Create cmProcessTools to parse child output
This class provides a RunProcess method to run a child process and send its output to an abstract parsing interface. This also provides a simple line parser and logger implementing the parsing interface.
Diffstat (limited to 'Source/cmProcessTools.cxx')
-rw-r--r--Source/cmProcessTools.cxx93
1 files changed, 93 insertions, 0 deletions
diff --git a/Source/cmProcessTools.cxx b/Source/cmProcessTools.cxx
new file mode 100644
index 0000000..ef40f57
--- /dev/null
+++ b/Source/cmProcessTools.cxx
@@ -0,0 +1,93 @@
+/*=========================================================================
+
+ Program: CMake - Cross-Platform Makefile Generator
+ Module: $RCSfile$
+ Language: C++
+ Date: $Date$
+ Version: $Revision$
+
+ Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
+ See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
+#include "cmProcessTools.h"
+
+#include <cmsys/Process.h>
+
+//----------------------------------------------------------------------------
+void cmProcessTools::RunProcess(struct cmsysProcess_s* cp,
+ OutputParser* out, OutputParser* err)
+{
+ cmsysProcess_Execute(cp);
+ char* data = 0;
+ int length = 0;
+ int p;
+ while((out||err) && (p=cmsysProcess_WaitForData(cp, &data, &length, 0), p))
+ {
+ if(out && p == cmsysProcess_Pipe_STDOUT)
+ {
+ if(!out->Process(data, length))
+ {
+ out = 0;
+ }
+ }
+ else if(err && p == cmsysProcess_Pipe_STDERR)
+ {
+ if(!err->Process(data, length))
+ {
+ err = 0;
+ }
+ }
+ }
+ cmsysProcess_WaitForExit(cp, 0);
+}
+
+
+//----------------------------------------------------------------------------
+cmProcessTools::LineParser::LineParser(char sep, bool ignoreCR):
+ Separator(sep), IgnoreCR(ignoreCR), Log(0), Prefix(0)
+{
+}
+
+//----------------------------------------------------------------------------
+void cmProcessTools::LineParser::SetLog(std::ostream* log, const char* prefix)
+{
+ this->Log = log;
+ this->Prefix = prefix? prefix : "";
+}
+
+//----------------------------------------------------------------------------
+bool cmProcessTools::LineParser::ProcessChunk(const char* first, int length)
+{
+ const char* last = first + length;
+ for(const char* c = first; c != last; ++c)
+ {
+ if(*c == this->Separator)
+ {
+ // Log this line.
+ if(this->Log && this->Prefix)
+ {
+ *this->Log << this->Prefix << this->Line << "\n";
+ }
+
+ // Hand this line to the subclass implementation.
+ if(!this->ProcessLine())
+ {
+ this->Line = "";
+ return false;
+ }
+
+ this->Line = "";
+ }
+ else if(*c != '\r' || !this->IgnoreCR)
+ {
+ // Append this character to the line under construction.
+ this->Line.append(1, *c);
+ }
+ }
+ return true;
+}