/* * Copyright (c) 2011 Martin Sucha * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ typedef enum { ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTER, ALIGN_JUSTIFY } align_mode_t; /** Callback that processes a line of characters. * (e.g. as a result of wrap operation) * * @param content pointer to line data (note: this is NOT null-terminated) * @param size number of characters in line * @param end_of_para true if the line is the last line of the paragraph * @param data user data * * @returns EOK on success or an error code on failure */ typedef errno_t (*line_consumer_fn)(char32_t *, size_t, bool, void *); extern errno_t print_aligned_w(const char32_t *, size_t, bool, align_mode_t); extern errno_t print_aligned(const char *, size_t, bool, align_mode_t); extern errno_t print_wrapped(const char *, size_t, align_mode_t); extern errno_t print_wrapped_console(const char *, align_mode_t); /** Wrap characters in a wide string to the given length. * * @param wstr the null-terminated wide string to wrap * @param size number of characters to wrap to * @param consumer the function that receives wrapped lines * @param data user data to pass to the consumer function */ extern errno_t wrap(char32_t *, size_t, line_consumer_fn, void *);