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#!/usr/bin/env python3
import sys
import subprocess
http_header_name_to_id = { }
http_header_names = []
with open('soup-header-names.in') as i:
for line in i.readlines():
name = line.strip();
if not name or name[0] == '#':
continue
http_header_name_to_id[name] = 'SOUP_HEADER_' + name.upper().replace('-', '_')
http_header_names.append (name)
http_header_names.sort()
gperf_file = '''%{
/* This file has been generated with generate-header-names.py script, do not edit */
#include "soup-header-names.h"
#include <string.h>
static const char * const soup_headr_name_strings[] = {
'''
for name in http_header_names:
gperf_file += ' "%s",\n' % name
gperf_file += '''};
%}
%language=ANSI-C
%struct-type
struct SoupHeaderHashEntry {
int name;
SoupHeaderName header_name;
};
%define hash-function-name soup_header_name_hash_function
%define lookup-function-name soup_header_name_find
%readonly-tables
%global-table
%compare-strncmp
%ignore-case
%pic
%%
'''
for name in http_header_names:
gperf_file += '%s, %s\n' % (name, http_header_name_to_id[name])
gperf_file += '''%%
SoupHeaderName soup_header_name_from_string (const char *str)
{
const struct SoupHeaderHashEntry *entry;
entry = soup_header_name_find (str, strlen (str));
return entry ? entry->header_name : SOUP_HEADER_UNKNOWN;
}
const char *soup_header_name_to_string (SoupHeaderName name)
{
if (name == SOUP_HEADER_UNKNOWN)
return NULL;
return soup_headr_name_strings[name];
}
'''
command = ['gperf', '-k', '*', '-D', '-n', '-s', '2']
p = subprocess.Popen(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
output, error = p.communicate(gperf_file)
if p.returncode != 0:
print (error)
sys.exit(p.returncode)
with open('soup-header-names.c', 'w+') as o:
o.write(output.replace('const struct SoupHeaderHashEntry *', 'static const struct SoupHeaderHashEntry *', 1))
output = '''/* This file has been generated with generate-header-names.py script, do not edit */
#pragma once
typedef enum {
'''
for name in http_header_names:
output += ' %s,\n' % http_header_name_to_id[name]
output +='''
SOUP_HEADER_UNKNOWN
} SoupHeaderName;
SoupHeaderName soup_header_name_from_string (const char *str);
const char *soup_header_name_to_string (SoupHeaderName name);
'''
with open('soup-header-names.h', 'w+') as o:
o.write(output)
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