From f26ff7a4f6b6cac83f3bf3740beadc5b21946dd8 Mon Sep 17 00:00:00 2001
From: malaterre <malaterre>
Date: Thu, 23 Sep 2004 19:59:19 +0000
Subject: [PATCH] ENH: Initial pass at playing with regex in cmake, to parse
 dicomV3.dic to stick in gdcm

---
 Dicts/CMakeLists.txt | 40 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 38 insertions(+), 2 deletions(-)

diff --git a/Dicts/CMakeLists.txt b/Dicts/CMakeLists.txt
index aec4fa07..a2611547 100644
--- a/Dicts/CMakeLists.txt
+++ b/Dicts/CMakeLists.txt
@@ -3,8 +3,44 @@
 
 
 INSTALL_FILES(${GDCM_DATA_DIR} FILES 
-  dicomV3.dic 
-  dicomVR.dic 
+  dicomV3.dic
+  dicomVR.dic
   dicomTS.dic
   DicomDir.dic
 )
+
+# Nice trick to avoid creating a .h file each time we compile gdcm
+# Since CONFIGURE_FILE do a 'copy if different'
+# We have to write the file here since is contains 'DICOM_DICTIONARY'
+# Which is a variable afterward...
+#FILE(WRITE "/tmp/output.h.in" "@DICOM_DICTIONARY@" )
+
+# Following code contributing by Andy Cedilnik
+SET(INFILE "dicomV3.dic")
+
+FILE(READ "${INFILE}" ENT)
+
+STRING(REGEX REPLACE "\n" ";" ENT "${ENT}")
+SET(DICOM_DICTIONARY
+"//
+#include \"gdcmDicomDictionaryEntry.h\"
+
+static gdcmDicomDictionaryEntry[] =
+{")
+
+FOREACH(line ${ENT})
+  STRING(REGEX REPLACE
+    "^([0-9a-f][0-9a-f][0-9a-f][0-9a-f]) ([0-9a-f][0-9a-f][0-9a-f][0-9a-f]) ([A-Z]+) ([A-Z]+) (.*)([ \(RET\)]*)$"
+    "   { \\1, \\2, \"\\3\" , \"\\4\" , \"\\5\", \"\\6\"}," nline "${line}")
+  SET(DICOM_DICTIONARY "${DICOM_DICTIONARY}\n${nline}")
+ENDFOREACH(line)
+
+SET(DICOM_DICTIONARY "${DICOM_DICTIONARY}
+   0
+};")
+
+# See above
+#CONFIGURE_FILE("/tmp/output.h.in" "/tmp/output.h")
+
+#MESSAGE("${DICOM_DICTIONARY}")
+
-- 
2.46.2