* .gitignore: Ignore build artifacts.
* Makefile.am: Compile Guile modules.
* bootstrap: New file.
* configure.ac: Create pre-inst-env.
* pre-inst-env.in: New file.
* scripts/srt2vtt: New file.
* srt2vtt: Remove.
* srt2vtt.scm: New file.
* srt2vtt/subrip.scm: New file.
* srt2vtt/ui.scm: New file.
* srt2vtt/webvtt.scm: New file.
+*.go
/Makefile.in
/Makefile
/aclocal.m4
/config.log
/config.status
/configure
+/pre-inst-env
-bin_SCRIPTS = srt2vtt
+GOBJECTS = $(SOURCES:%.scm=%.go)
+
+nobase_mod_DATA = $(SOURCES) $(NOCOMP_SOURCES)
+nobase_go_DATA = $(GOBJECTS)
+
+# Make sure source files are installed first, so that the mtime of
+# installed compiled files is greater than that of installed source
+# files. See
+# <http://lists.gnu.org/archive/html/guile-devel/2010-07/msg00125.html>
+# for details.
+guile_install_go_files = install-nobase_goDATA
+$(guile_install_go_files): install-nobase_modDATA
+
+CLEANFILES = $(GOBJECTS)
+EXTRA_DIST = $(SOURCES) $(NOCOMP_SOURCES)
+GUILE_WARNINGS = -Wunbound-variable -Warity-mismatch -Wformat
+SUFFIXES = .scm .go
+.scm.go:
+ $(AM_V_GEN)$(top_builddir)/pre-inst-env $(GUILE_TOOLS) compile $(GUILE_WARNINGS) -o "$@" "$<"
+
+moddir=$(prefix)/share/guile/site/2.0
+godir=$(libdir)/guile/2.0/ccache
+
+SOURCES = \
+ srt2vtt.scm \
+ srt2vtt/subrip.scm \
+ srt2vtt/webvtt.scm \
+ srt2vtt/ui.scm
+
+EXTRA_DIST += pre-inst-env.in
+
+dist_bin_SCRIPTS = scripts/srt2vtt
--- /dev/null
+#!/bin/sh
+
+autoreconf -vfi
AM_SILENT_RULES([yes])
AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([pre-inst-env], [chmod +x pre-inst-env])
GUILE_PROGS([2.0.5])
--- /dev/null
+#!/bin/sh
+
+# srt2vtt --- SRT to WebVTT converter
+# Copyright © 2015 David Thompson <davet@gnu.org>
+#
+# srt2vtt is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# srt2vtt is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with srt2vtt. If not, see <http://www.gnu.org/licenses/>.
+
+abs_top_srcdir="`cd "@abs_top_srcdir@" > /dev/null; pwd`"
+abs_top_builddir="`cd "@abs_top_builddir@" > /dev/null; pwd`"
+
+GUILE_LOAD_COMPILED_PATH="$abs_top_builddir${GUILE_LOAD_COMPILED_PATH:+:}$GUILE_LOAD_COMPILED_PATH"
+GUILE_LOAD_PATH="$abs_top_builddir:$abs_top_srcdir${GUILE_LOAD_PATH:+:}:$GUILE_LOAD_PATH"
+export GUILE_LOAD_COMPILED_PATH GUILE_LOAD_PATH
+
+PATH="$abs_top_builddir/scripts:$PATH"
+export PATH
+
+exec "$@"
--- /dev/null
+#!/usr/bin/guile --no-auto-compile
+-*- scheme -*-
+!#
+
+;;; srt2vtt --- SRT to WebVTT converter
+;;; Copyright © 2015 David Thompson <davet@gnu.org>
+;;;
+;;; srt2vtt is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; srt2vtt is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with srt2vtt. If not, see <http://www.gnu.org/licenses/>.
+
+(use-modules (ice-9 match)
+ (srt2vtt ui))
+
+(match (command-line)
+ ((arg0 args ...)
+ (main args)))
+++ /dev/null
-#!/usr/bin/guile
--*- scheme -*-
-!#
-
-;;; srt2vtt --- SRT to WebVTT converter
-;;; Copyright © 2015 David Thompson <davet@gnu.org>
-;;;
-;;; srt2vtt is free software; you can redistribute it and/or modify it
-;;; under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation; either version 3 of the License, or
-;;; (at your option) any later version.
-;;;
-;;; srt2vtt is distributed in the hope that it will be useful, but
-;;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;;; General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with srt2vtt. If not, see <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-;;
-;; Convert SRT formatted subtitles to WebVTT format.
-;;
-;;; Code:
-
-(use-modules (ice-9 format)
- (ice-9 match)
- (ice-9 rdelim)
- (ice-9 regex)
- (srfi srfi-1)
- (srfi srfi-9)
- (srfi srfi-11)
- (srfi srfi-26)
- (srfi srfi-37))
-
-(define-record-type <subtitle>
- (make-subtitle id start end text)
- subtitle?
- (id subtitle-id)
- (start subtitle-start)
- (end subtitle-end)
- (text subtitle-text))
-
-(define parse-time
- (let ((regexp (make-regexp "([0-9]+):([0-9]+):([0-9]+),([0-9]+)")))
- (lambda (s)
- "Parse the SubRip formatted timestamp in the string S into a 4
-element list. Valid input looks like '00:00:03.417'."
- (let ((match (regexp-exec regexp s)))
- (map (cut match:substring match <>) '(1 2 3 4))))))
-
-(define parse-time-span
- (let ((regexp (make-regexp "([0-9:,]+) --> ([0-9:,]+)")))
- (lambda (s)
- "Parse the SubRip formatted time span in the string S and return
-two values: the start time and the end time. Valid input looks like
-'00:00:03.417 --> 00:00:04.936'."
- (let ((match (regexp-exec regexp s)))
- (values (parse-time (match:substring match 1))
- (parse-time (match:substring match 2)))))))
-
-(define (read-sub-rip port)
- "Read a SubRip formatted subtitle from PORT."
- (let-values (((id) (string->number (read-line port)))
- ((start end) (parse-time-span (read-line port)))
- ((lines) (let loop ((lines '()))
- (let ((line (read-line port)))
- (if (or (eof-object? line)
- (and (string-null? line)
- ;; A subtitle may be a blank line!
- (not (null? lines))))
- lines
- (loop (cons line lines)))))))
- (make-subtitle id start end lines)))
-
-(define (read-sub-rips port)
- "Read all SubRip formatted subtitles from PORT."
- (reverse
- (let loop ((subs '()))
- (if (eof-object? (peek-char port))
- subs
- (loop (cons (read-sub-rip port) subs))))))
-
-(define (write-time time port)
- "Write TIME as a WebVTT formatted timestamp to PORT."
- (match time
- ((h m s ms)
- (format port "~a:~a:~a.~a" h m s ms))))
-
-(define (write-web-vtt subtitle port)
- "Write SUBTITLE as a WebVTT formatted subtitle to PORT."
- (match subtitle
- (($ <subtitle> id start end text)
- (format port "~a~%" id)
- (write-time start port)
- (display " --> " port)
- (write-time end port)
- (newline port)
- (format port "~a~%" (string-join text "\n"))
- (newline port))))
-
-(define (write-web-vtts subtitles port)
- "Write all SUBTITLES as WebVTT formatted subtitles to PORT."
- (format port "WEBVTT~%~%")
- (for-each (cut write-web-vtt <> port) subtitles))
-
-(define (convert input-port output-port)
- "Read the SubRip formatted subtitles from INPUT-PORT and write the
-WebVTT equivalents to OUTPUT-PORT."
- (write-web-vtts (read-sub-rips input-port) output-port))
-
-(define (show-help-and-exit)
- (format #t "Usage: srt2vtt [OPTIONS]
-Convert SubRip formatted subtitles to WebVTT format.~%")
- (display "
- -h, --help display this help and exit")
- (display "
- -v, --version display version and exit")
- (display "
- -i, --input=FILE-NAME read input from FILE-NAME")
- (display "
- -o, --output=FILE-NAME write output to FILE-NAME")
- (newline)
- (exit 0))
-
-(define (show-version-and-exit)
- (format #t "srt2vtt 0.1~%")
- (exit 0))
-
-(define (show-usage-and-exit)
- (format #t "Try `srt2vtt --help' for more information.~%")
- (exit 1))
-
-(define (show-wrong-args-and-exit)
- (format #t "Invalid arguments~%")
- (show-usage-and-exit))
-
-(define %default-args
- `((input . ,(current-input-port))
- (output . ,(current-output-port))))
-
-(define %options
- (list (option '(#\h "help") #f #f
- (lambda (opt name arg args)
- (show-help-and-exit)))
- (option '(#\v "version") #f #f
- (lambda (opt name arg args)
- (show-version-and-exit)))
- (option '(#\i "input") #t #f
- (lambda (opt name arg args)
- (alist-cons 'input arg args)))
- (option '(#\o "output") #t #f
- (lambda (opt name arg args)
- (alist-cons 'output arg args)))))
-
-(define (make-call-with-port-or-file file-proc)
- "Create a new procedure that accepts two arguments: a port or file,
-and a procedure. When the returned procedure is called with a port as
-the first argument, the second argument is simply applied with that
-port. If the first argument is a string, the second argument is
-applied with the port corresponding to the file name contained in the
-string as opened by FILE-PROC."
- (lambda (port-or-file proc)
- (if (port? port-or-file)
- (proc port-or-file)
- (file-proc port-or-file proc))))
-
-(define call-with-port-or-input-file
- (make-call-with-port-or-file call-with-input-file))
-
-(define call-with-port-or-output-file
- (make-call-with-port-or-file call-with-output-file))
-
-(define (parse-opts args)
- "Parse the list of ARGS and return a list of option/value pairs.
-When an option isn't specified in ARGS, it defaults to the value in
-'%default-args'."
- (args-fold args
- %options
- (lambda (opt name arg args)
- (error "Unrecognized option '~a'" name))
- (lambda (arg args)
- (error "Extraneous argument '~a'" arg))
- %default-args))
-
-(define (main args)
- "srt2vtt entry point."
- (let ((opts (parse-opts args)))
- (call-with-port-or-input-file (assoc-ref opts 'input)
- (lambda (input-port)
- (call-with-port-or-output-file (assoc-ref opts 'output)
- (lambda (output-port)
- (convert input-port output-port)))))))
-
-(match (command-line)
- ((arg0 args ...)
- (main args)))
--- /dev/null
+;;; srt2vtt --- SRT to WebVTT converter
+;;; Copyright © 2015 David Thompson <davet@gnu.org>
+;;;
+;;; srt2vtt is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; srt2vtt is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with srt2vtt. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (srt2vtt)
+ #:use-module (srfi srfi-9)
+ #:export (make-subtitle
+ subtitle?
+ subtitle-id
+ subtitle-start
+ subtitle-end
+ subtitle-text))
+
+(define-record-type <subtitle>
+ (make-subtitle id start end text)
+ subtitle?
+ (id subtitle-id)
+ (start subtitle-start)
+ (end subtitle-end)
+ (text subtitle-text))
--- /dev/null
+;;; srt2vtt --- SRT to WebVTT converter
+;;; Copyright © 2015 David Thompson <davet@gnu.org>
+;;;
+;;; srt2vtt is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; srt2vtt is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with srt2vtt. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (srt2vtt subrip)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 rdelim)
+ #:use-module (ice-9 regex)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-11)
+ #:use-module (srfi srfi-26)
+ #:use-module (srt2vtt)
+ #:export (read-subrip
+ read-subrips))
+
+(define parse-time
+ (let ((regexp (make-regexp "([0-9]+):([0-9]+):([0-9]+),([0-9]+)")))
+ (lambda (s)
+ "Parse the SubRip formatted timestamp in the string S into a 4
+element list. Valid input looks like '00:00:03.417'."
+ (let ((match (regexp-exec regexp s)))
+ (map (cut match:substring match <>) '(1 2 3 4))))))
+
+(define parse-time-span
+ (let ((regexp (make-regexp "([0-9:,]+) --> ([0-9:,]+)")))
+ (lambda (s)
+ "Parse the SubRip formatted time span in the string S and return
+two values: the start time and the end time. Valid input looks like
+'00:00:03.417 --> 00:00:04.936'."
+ (let ((match (regexp-exec regexp s)))
+ (values (parse-time (match:substring match 1))
+ (parse-time (match:substring match 2)))))))
+
+(define (read-subrip port)
+ "Read a SubRip formatted subtitle from PORT."
+ (let-values (((id) (string->number (read-line port)))
+ ((start end) (parse-time-span (read-line port)))
+ ((lines) (let loop ((lines '()))
+ (let ((line (read-line port)))
+ (if (or (eof-object? line)
+ (and (string-null? line)
+ ;; A subtitle may be a blank line!
+ (not (null? lines))))
+ lines
+ (loop (cons line lines)))))))
+ (make-subtitle id start end lines)))
+
+(define (read-subrips port)
+ "Read all SubRip formatted subtitles from PORT."
+ (reverse
+ (let loop ((subs '()))
+ (if (eof-object? (peek-char port))
+ subs
+ (loop (cons (read-subrip port) subs))))))
--- /dev/null
+;;; srt2vtt --- SRT to WebVTT converter
+;;; Copyright © 2015 David Thompson <davet@gnu.org>
+;;;
+;;; srt2vtt is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; srt2vtt is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with srt2vtt. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (srt2vtt ui)
+ #:use-module (ice-9 format)
+ #:use-module (ice-9 match)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-37)
+ #:use-module (srt2vtt subrip)
+ #:use-module (srt2vtt webvtt)
+ #:export (main))
+
+(define (show-help-and-exit)
+ (format #t "Usage: srt2vtt [OPTIONS]
+Convert SubRip formatted subtitles to WebVTT format.~%")
+ (display "
+ -h, --help display this help and exit")
+ (display "
+ -v, --version display version and exit")
+ (display "
+ -i, --input=FILE-NAME read input from FILE-NAME")
+ (display "
+ -o, --output=FILE-NAME write output to FILE-NAME")
+ (newline)
+ (exit 0))
+
+(define (show-version-and-exit)
+ (format #t "srt2vtt 0.1~%")
+ (exit 0))
+
+(define (show-usage-and-exit)
+ (format #t "Try `srt2vtt --help' for more information.~%")
+ (exit 1))
+
+(define (show-wrong-args-and-exit)
+ (format #t "Invalid arguments~%")
+ (show-usage-and-exit))
+
+(define %default-args
+ `((input . ,(current-input-port))
+ (output . ,(current-output-port))))
+
+(define %options
+ (list (option '(#\h "help") #f #f
+ (lambda (opt name arg args)
+ (show-help-and-exit)))
+ (option '(#\v "version") #f #f
+ (lambda (opt name arg args)
+ (show-version-and-exit)))
+ (option '(#\i "input") #t #f
+ (lambda (opt name arg args)
+ (alist-cons 'input arg args)))
+ (option '(#\o "output") #t #f
+ (lambda (opt name arg args)
+ (alist-cons 'output arg args)))))
+
+(define (make-call-with-port-or-file file-proc)
+ "Create a new procedure that accepts two arguments: a port or file,
+and a procedure. When the returned procedure is called with a port as
+the first argument, the second argument is simply applied with that
+port. If the first argument is a string, the second argument is
+applied with the port corresponding to the file name contained in the
+string as opened by FILE-PROC."
+ (lambda (port-or-file proc)
+ (if (port? port-or-file)
+ (proc port-or-file)
+ (file-proc port-or-file proc))))
+
+(define call-with-port-or-input-file
+ (make-call-with-port-or-file call-with-input-file))
+
+(define call-with-port-or-output-file
+ (make-call-with-port-or-file call-with-output-file))
+
+(define (parse-opts args)
+ "Parse the list of ARGS and return a list of option/value pairs.
+When an option isn't specified in ARGS, it defaults to the value in
+'%default-args'."
+ (args-fold args
+ %options
+ (lambda (opt name arg args)
+ (error "Unrecognized option '~a'" name))
+ (lambda (arg args)
+ (error "Extraneous argument '~a'" arg))
+ %default-args))
+
+(define (convert input-port output-port)
+ "Read the SubRip formatted subtitles from INPUT-PORT and write the
+WebVTT equivalents to OUTPUT-PORT."
+ (write-webvtts (read-subrips input-port) output-port))
+
+(define (main args)
+ "srt2vtt entry point."
+ (let ((opts (parse-opts args)))
+ (call-with-port-or-input-file (assoc-ref opts 'input)
+ (lambda (input-port)
+ (call-with-port-or-output-file (assoc-ref opts 'output)
+ (lambda (output-port)
+ (convert input-port output-port)))))))
--- /dev/null
+;;; srt2vtt --- SRT to WebVTT converter
+;;; Copyright © 2015 David Thompson <davet@gnu.org>
+;;;
+;;; srt2vtt is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; srt2vtt is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with srt2vtt. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (srt2vtt webvtt)
+ #:use-module (ice-9 format)
+ #:use-module (ice-9 match)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
+ #:use-module (srt2vtt)
+ #:export (write-webvtt
+ write-webvtts))
+
+(define (write-time time port)
+ "Write TIME as a WebVTT formatted timestamp to PORT."
+ (match time
+ ((h m s ms)
+ (format port "~a:~a:~a.~a" h m s ms))))
+
+(define (write-webvtt subtitle port)
+ "Write SUBTITLE as a WebVTT formatted subtitle to PORT."
+ (format port "~a~%" (subtitle-id subtitle))
+ (write-time (subtitle-start subtitle) port)
+ (display " --> " port)
+ (write-time (subtitle-end subtitle) port)
+ (newline port)
+ (format port "~a~%" (string-join (subtitle-text subtitle) "\n"))
+ (newline port))
+
+(define (write-webvtts subtitles port)
+ "Write all SUBTITLES as WebVTT formatted subtitles to PORT."
+ (format port "WEBVTT~%~%")
+ (for-each (cut write-webvtt <> port) subtitles))