Blame src/misc/trim.c

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/* libquvi
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 * Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>
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 *
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 * This file is part of libquvi <http://quvi.sourceforge.net/>.
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 *
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 * This library is free software: you can redistribute it and/or
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 * modify it under the terms of the GNU Affero General Public
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 * License as published by the Free Software Foundation, either
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 * version 3 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Affero General Public License for more details.
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 *
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 * You should have received a copy of the GNU Affero General
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 * Public License along with this library.  If not, see
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 * <http://www.gnu.org/licenses/>.
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 */
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#include "config.h"
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#include <glib.h>
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/* -- */
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#include "misc/re.h"
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#define _W "[%s] libquvi: %s"
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gchar *m_trim(const gchar *s, const gchar *p, const gchar *w)
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{
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  GError *err;
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  GRegex *re;
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  gchar *r;
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  err = NULL;
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  re = g_regex_new(p, 0, 0, &err;;
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  if (err != NULL)
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    {
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      g_warning(_W, __func__, err->message);
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      g_error_free(err);
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      err = NULL;
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      return (NULL);
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    }
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  r = g_regex_replace(re, s, -1, 0, w, 0, &err;;
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  if (err != NULL)
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    {
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      g_warning(_W, __func__, err->message);
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      g_error_free(err);
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      err = NULL;
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      r = NULL;
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    }
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  g_regex_unref(re);
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  re = NULL;
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  return (r);
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}
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/* Trim null-terminated string of extra whitespace. */
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gchar *m_trim_ws(const gchar *s)
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{
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  gchar *u, *t;
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  u = NULL;
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  t = m_trim(s, "^\\s*(.+?)\\s*$", "\\1");
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  if (t != NULL)
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    {
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      u = m_trim(t, "\\s\\s+", " ");
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      g_free(t);
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      t = NULL;
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    }
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  return (u);
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}
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/* vim: set ts=2 sw=2 tw=72 expandtab: */