#!/bin/sh
set -e

if [ $# -lt 1 ]; then
    argv0=`basename $0`
    echo "$argv0: Update source code to the lastest Cairo API" >&2
    echo "" >&2
    echo "Usage: $argv0 file [...]" >&2
    exit 1
fi

cairo_api_update() {
	file=$1
	backup=$file.bak

	cp $file $backup
	sed -e '
		s/cairo_get_operator/cairo_current_operator/g
		s/cairo_get_rgb_color/cairo_current_rgb_color/g
		s/cairo_get_alpha/cairo_current_alpha/g
		s/cairo_get_tolerance/cairo_current_tolerance/g
		s/cairo_get_current_point/cairo_current_point/g
		s/cairo_get_fill_rule/cairo_current_fill_rule/g
		s/cairo_get_line_width/cairo_current_line_width/g
		s/cairo_get_line_cap/cairo_current_line_cap/g
		s/cairo_get_line_join/cairo_current_line_join/g
		s/cairo_get_miter_limit/cairo_current_miter_limit/g
		s/cairo_get_matrix/cairo_current_matrix/g
		s/cairo_get_target_surface/cairo_current_target_surface/g
		s/cairo_get_status_string/cairo_status_string/g
		s/cairo_get_status/cairo_status/g
		' $backup > $file
}

while [ $# -gt 0 ]; do
	file=$1
	shift
	cairo_api_update $file
done