1 files changed, 98 insertions, 0 deletions
diff --git a/maint/GenerateUcpHeader.py b/maint/GenerateUcpHeader.py
new file mode 100755
index 00000000..4fe43d5e
--- /dev/null
+++ b/maint/GenerateUcpHeader.py
@@ -0,0 +1,98 @@
+#! /usr/bin/python
+
+#                   PCRE2 UNICODE PROPERTY SUPPORT
+#                   ------------------------------
+
+# This script generates the pcre2_ucp.h file from Unicode data files. This
+# header uses enumerations to give names to Unicode property types and script
+# names.
+
+# This script was created in December 2021 as part of the Unicode data
+# generation refactoring.
+
+
+# Import common data lists and functions
+
+from GenerateCommon import \
+  bidi_classes, \
+  bool_properties, \
+  bool_props_list_item_size, \
+  break_properties, \
+  category_names, \
+  general_category_names, \
+  script_list_item_size, \
+  script_names, \
+  open_output
+
+# Open the output file (no return on failure). This call also writes standard
+# header boilerplate.
+
+f = open_output("pcre2_ucp.h")
+
+# Output this file's heading text
+
+f.write("""\
+#ifndef PCRE2_UCP_H_IDEMPOTENT_GUARD
+#define PCRE2_UCP_H_IDEMPOTENT_GUARD
+
+/* This file contains definitions of the Unicode property values that are
+returned by the UCD access macros and used throughout PCRE2.
+
+IMPORTANT: The specific values of the first two enums (general and particular
+character categories) are assumed by the table called catposstab in the file
+pcre2_auto_possess.c. They are unlikely to change, but should be checked after
+an update. */
+\n""")
+
+f.write("/* These are the general character categories. */\n\nenum {\n")
+for i in general_category_names:
+  f.write("  ucp_%s,\n" % i)
+f.write("};\n\n")
+
+f.write("/* These are the particular character categories. */\n\nenum {\n")
+for i in range(0, len(category_names), 2):
+  f.write("  ucp_%s,    /* %s */\n" % (category_names[i], category_names[i+1]))
+f.write("};\n\n")
+
+f.write("/* These are Boolean properties. */\n\nenum {\n")
+for i in bool_properties:
+  f.write("  ucp_%s,\n" % i)
+
+f.write("  /* This must be last */\n")
+f.write("  ucp_Bprop_Count\n};\n\n")
+
+f.write("/* Size of entries in ucd_boolprop_sets[] */\n\n")
+f.write("#define ucd_boolprop_sets_item_size %d\n\n" % bool_props_list_item_size)
+
+f.write("/* These are the bidi class values. */\n\nenum {\n")
+for i in range(0, len(bidi_classes), 2):
+  sp = ' ' * (4 - len(bidi_classes[i]))
+  f.write("  ucp_bidi%s,%s /* %s */\n" % (bidi_classes[i], sp, bidi_classes[i+1]))
+f.write("};\n\n")
+
+f.write("/* These are grapheme break properties. The Extended Pictographic "
+  "property\ncomes from the emoji-data.txt file. */\n\nenum {\n")
+for i in range(0, len(break_properties), 2):
+  sp = ' ' * (21 - len(break_properties[i]))
+  f.write("  ucp_gb%s,%s /* %s */\n" % (break_properties[i], sp, break_properties[i+1]))
+f.write("};\n\n")
+
+f.write("/* These are the script identifications. */\n\nenum {\n  /* Scripts which has characters in other scripts. */\n")
+for i in script_names:
+  if i == "Unknown":
+    f.write("\n  /* Scripts which has no characters in other scripts. */\n")
+  f.write("  ucp_%s,\n" % i)
+f.write("\n")
+
+f.write("  /* This must be last */\n")
+f.write("  ucp_Script_Count\n};\n\n")
+
+f.write("/* Size of entries in ucd_script_sets[] */\n\n")
+f.write("#define ucd_script_sets_item_size %d\n\n" % script_list_item_size)
+
+f.write("#endif  /* PCRE2_UCP_H_IDEMPOTENT_GUARD */\n\n")
+f.write("/* End of pcre2_ucp.h */\n")
+
+f.close()
+
+# End