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