[gtk] Rewrite toarray Perl script to Python

[Emmanuele Bassi <ebassi src gnome org>]

commit 7f25cc9d4efab4b54ca4c1269cd9d7de70c47e70
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Feb 14 15:51:45 2018 +0000

    Rewrite toarray Perl script to Python
    
    We don't need to shell out to Perl to generate a C array out of a text
    file.

 gdk/broadway/gen-c-array.py | 21 +++++++++++++++++++++
 gdk/broadway/meson.build    | 22 +++++++++++++++++-----
 gdk/broadway/toarray.pl     | 24 ------------------------
 3 files changed, 38 insertions(+), 29 deletions(-)
---
diff --git a/gdk/broadway/gen-c-array.py b/gdk/broadway/gen-c-array.py
new file mode 100644
index 0000000000..afffda34e5
--- /dev/null
+++ b/gdk/broadway/gen-c-array.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+import argparse
+import sys
+
+parser = argparse.ArgumentParser()
+parser.add_argument('--array-name', help='The name of the array variable')
+parser.add_argument('--output', metavar='FILE', help='Output file',
+                    type=argparse.FileType('w'),
+                    default=sys.stdout)
+parser.add_argument('input', metavar='FILE', help='The input file',
+                    type=argparse.FileType('r'))
+
+args = parser.parse_args()
+
+args.output.write('static const char {}[] = {{\n'.format(args.array_name))
+for line in args.input:
+    for ch in line:
+        args.output.write('  0x{:02x},\n'.format(ord(ch)))
+
+args.output.write('};')
diff --git a/gdk/broadway/meson.build b/gdk/broadway/meson.build
index 614a623784..970b6c8e6c 100644
--- a/gdk/broadway/meson.build
+++ b/gdk/broadway/meson.build
@@ -28,11 +28,18 @@ gdk_broadway_public_headers = [
 
 gdk_broadway_deps = [shmlib]
 
+gen_c_array = find_program('gen-c-array.py')
+
 clienthtml_h = custom_target('clienthtml.h',
   input : 'client.html',
   output : 'clienthtml.h',
-  command : [find_program('toarray.pl'), 'client_html', '@INPUT@'],
-  capture : true)
+  command : [
+    gen_c_array,
+    '--array-name=client_html',
+    '--output=@OUTPUT@',
+    '@INPUT@',
+  ],
+)
 
 libgdk_broadway = static_library('gdk-broadway',
   clienthtml_h,
@@ -52,13 +59,18 @@ broadwayd_syslib = os_win32 ? find_library('ws2_32') : shmlib
 broadwayjs_h = custom_target('broadwayjs.h',
   input : ['broadway.js'],
   output : 'broadwayjs.h',
-  command : [find_program('toarray.pl'), 'broadway_js', '@INPUT0@'],
-  capture : true)
+  command : [
+    gen_c_array,
+    '--array-name=broadway_js',
+    '--output=@OUTPUT@',
+    '@INPUT0@',
+  ],
+)
 
 executable('gtk4-broadwayd',
   clienthtml_h, broadwayjs_h,
   'broadwayd.c', 'broadway-server.c', 'broadway-output.c',
-  include_directories: [confinc, gdkinc],
+  include_directories: [confinc, gdkinc, include_directories('.')],
   c_args: ['-DGDK_COMPILATION', '-DG_LOG_DOMAIN="Gdk"', ],
   dependencies : [broadwayd_syslib, gdk_deps],
   install : true)