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-rw-r--r--superkaramba/src/themelocale.cpp438
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diff --git a/superkaramba/src/themelocale.cpp b/superkaramba/src/themelocale.cpp
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+/*
+ * languageList from klocale.cpp
+ * Copyright (c) 1997,2001 Stephan Kulow <coolo@kde.org>
+ * Copyright (c) 1999 Preston Brown <pbrown@kde.org>
+ * Copyright (c) 1999-2002 Hans Petter Bieker <bieker@kde.org>
+ * Copyright (c) 2002 Lukas Tinkl <lukas@kde.org>
+ *
+ * libintl.cpp -- gettext related functions from glibc-2.0.5
+ * Copyright (C) 1995 Software Foundation, Inc.
+ *
+ * This file is part of SuperKaramba.
+ * Copyright (c) 2005 Petri Damsten <damu@iki.fi>
+ *
+ * SuperKaramba 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * SuperKaramba 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 SuperKaramba; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ ****************************************************************************/
+#include <config.h>
+
+#include "themelocale.h"
+#include "themefile.h"
+#include <kdebug.h>
+#include <kconfig.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <qbuffer.h>
+#include <qglobal.h>
+#include <qiodevice.h>
+#include <stdlib.h>
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifndef W
+# define W(flag, data) ((flag) ? SWAP (data) : (data))
+#endif
+
+typedef Q_UINT32 nls_uint32;
+
+struct loaded_domain
+{
+ const char *data;
+ int must_swap;
+ nls_uint32 nstrings;
+ struct string_desc *orig_tab;
+ struct string_desc *trans_tab;
+ nls_uint32 hash_size;
+ nls_uint32 *hash_tab;
+};
+
+static inline nls_uint32 SWAP (nls_uint32 i)
+{
+ return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
+}
+
+/* @@ end of prolog @@ */
+
+/* The magic number of the GNU message catalog format. */
+#define _MAGIC 0x950412de
+#define _MAGIC_SWAPPED 0xde120495
+
+/* Revision number of the currently used .mo (binary) file format. */
+#define MO_REVISION_NUMBER 0
+
+
+/* Defines the so called `hashpjw' function by P.J. Weinberger
+ [see Aho/Sethi/Ullman, COMPILERS: Principles, Techniques and Tools,
+ 1986, 1987 Bell Telephone Laboratories, Inc.] */
+static inline unsigned long hash_string (const char *__str_param);
+
+/* @@ end of prolog @@ */
+
+/* Header for binary .mo file format. */
+struct mo_file_header
+{
+ /* The magic number. */
+ nls_uint32 magic;
+ /* The revision number of the file format. */
+ nls_uint32 revision;
+ /* The number of strings pairs. */
+ nls_uint32 nstrings;
+ /* Offset of table with start offsets of original strings. */
+ nls_uint32 orig_tab_offset;
+ /* Offset of table with start offsets of translation strings. */
+ nls_uint32 trans_tab_offset;
+ /* Size of hashing table. */
+ nls_uint32 hash_tab_size;
+ /* Offset of first hashing entry. */
+ nls_uint32 hash_tab_offset;
+};
+
+struct string_desc
+{
+ /* Length of addressed string. */
+ nls_uint32 length;
+ /* Offset of string in file. */
+ nls_uint32 offset;
+};
+
+void tl_nl_load_domain(QIODevice* device, int size,
+ struct sk_kde_loaded_l10nfile *domain_file);
+char* tl_nl_find_msg(const struct sk_kde_loaded_l10nfile *domain_file,
+ const char *msgid);
+void tl_nl_unload_domain(struct loaded_domain *domain);
+
+ThemeLocale::ThemeLocale(ThemeFile* theme)
+ : m_theme(theme)
+{
+ setLanguage(languageList());
+}
+
+ThemeLocale::~ThemeLocale()
+{
+ unload();
+}
+
+void ThemeLocale::unload()
+{
+ if(m_domain.data)
+ {
+ tl_nl_unload_domain((struct loaded_domain *)m_domain.data);
+ m_domain.data = 0;
+ }
+}
+
+QString ThemeLocale::translate(QString text) const
+{
+ if(text == 0)
+ return QString::null;
+ if(m_domain.data)
+ {
+ QString result = QString::fromUtf8(tl_nl_find_msg(&m_domain, text.ascii()));
+ if(result.isEmpty())
+ return text;
+ else
+ return result;
+ }
+ return text;
+}
+
+void ThemeLocale::setLanguage(const QStringList &languages)
+{
+ unload();
+ for(QStringList::ConstIterator it = languages.begin();
+ it != languages.end();
+ ++it)
+ {
+ QString file =
+ QString("locale/%1/LC_MESSAGES/%2.mo").arg(*it).arg(m_theme->mo());
+
+ if(m_theme->fileExists(file))
+ {
+ QBuffer buffer(m_theme->readThemeFile(file));
+ tl_nl_load_domain(&buffer, buffer.size(), &m_domain);
+ m_language = *it;
+ return;
+ }
+ }
+}
+
+QStringList ThemeLocale::languageList()
+{
+ KConfig* config = KGlobal::instance()->config();
+ // Reset the list and add the new languages
+ QStringList languageList;
+ languageList +=
+ QStringList::split(':', QFile::decodeName(::getenv("KDE_LANG")));
+
+ languageList += config->readListEntry("Language", ':');
+
+ // same order as setlocale use
+ // HPB: Only run splitLocale on the environment variables..
+ QStringList langs;
+
+ langs << QFile::decodeName(::getenv("LC_ALL"));
+ langs << QFile::decodeName(::getenv("LC_MESSAGES"));
+ langs << QFile::decodeName(::getenv("LANG"));
+
+ for(QStringList::Iterator it = langs.begin();
+ it != langs.end();
+ ++it )
+ {
+ QString ln, ct, chrset;
+ KLocale::splitLocale(*it, ln, ct, chrset);
+ /*
+ We don't use these in zip themes...
+ if (!ct.isEmpty())
+ {
+ langs.insert(it, ln + '_' + ct);
+ if (!chrset.isEmpty())
+ langs.insert(it, ln + '_' + ct + '.' + chrset);
+ }
+ */
+ langs.insert(it, ln);
+ }
+ languageList += langs;
+ // Remove empty strings
+ QStringList::Iterator end( languageList.end() );
+ for(QStringList::Iterator it=languageList.begin(); it!=end;)
+ {
+ if((*it).isEmpty())
+ it = languageList.remove(it);
+ else
+ ++it;
+ }
+ return languageList;
+}
+
+char* tl_nl_find_msg (const struct sk_kde_loaded_l10nfile *domain_file,
+ const char *msgid)
+{
+ size_t top, act, bottom;
+ struct loaded_domain *domain;
+
+ if (domain_file->decided == 0)
+ return NULL;
+
+ if (domain_file->data == NULL)
+ return NULL;
+
+ domain = (struct loaded_domain *) domain_file->data;
+
+ /* Locate the MSGID and its translation. */
+ if (domain->hash_size > 2 && domain->hash_tab != NULL)
+ {
+ /* Use the hashing table. */
+ nls_uint32 len = strlen (msgid);
+ nls_uint32 hash_val = hash_string (msgid);
+ nls_uint32 idx = hash_val % domain->hash_size;
+ nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2));
+ nls_uint32 nstr = W (domain->must_swap, domain->hash_tab[idx]);
+
+ if (nstr == 0)
+ /* Hash table entry is empty. */
+ return NULL;
+
+ if (W (domain->must_swap, domain->orig_tab[nstr - 1].length) == len
+ && strcmp (msgid,
+ domain->data + W (domain->must_swap,
+ domain->orig_tab[nstr - 1].offset)) == 0)
+ return (char *) domain->data + W (domain->must_swap,
+ domain->trans_tab[nstr - 1].offset);
+
+ while (1)
+ {
+ if (idx >= domain->hash_size - incr)
+ idx -= domain->hash_size - incr;
+ else
+ idx += incr;
+
+ nstr = W (domain->must_swap, domain->hash_tab[idx]);
+ if (nstr == 0)
+ /* Hash table entry is empty. */
+ return NULL;
+
+ if (W (domain->must_swap, domain->orig_tab[nstr - 1].length) == len
+ && strcmp (msgid,
+ domain->data + W (domain->must_swap,
+ domain->orig_tab[nstr - 1].offset))
+ == 0)
+ return (char *) domain->data
+ + W (domain->must_swap, domain->trans_tab[nstr - 1].offset);
+ }
+ /* NOTREACHED */
+ }
+
+ /* Now we try the default method: binary search in the sorted
+ array of messages. */
+ bottom = 0;
+ top = domain->nstrings;
+ act = top;
+ while (bottom < top)
+ {
+ int cmp_val;
+
+ act = (bottom + top) / 2;
+ cmp_val = strcmp (msgid, domain->data
+ + W (domain->must_swap,
+ domain->orig_tab[act].offset));
+ if (cmp_val < 0)
+ top = act;
+ else if (cmp_val > 0)
+ bottom = act + 1;
+ else
+ break;
+ }
+
+ /* If an translation is found return this. */
+ return bottom >= top ? NULL : (char *) domain->data
+ + W (domain->must_swap,
+ domain->trans_tab[act].offset);
+}
+
+/* @@ begin of epilog @@ */
+/* We assume to have `unsigned long int' value with at least 32 bits. */
+#define HASHWORDBITS 32
+
+static inline unsigned long
+hash_string (const char *str_param)
+{
+ unsigned long int hval, g;
+ const char *str = str_param;
+
+ /* Compute the hash value for the given string. */
+ hval = 0;
+ while (*str != '\0')
+ {
+ hval <<= 4;
+ hval += (unsigned long) *str++;
+ g = hval & ((unsigned long) 0xf << (HASHWORDBITS - 4));
+ if (g != 0)
+ {
+ hval ^= g >> (HASHWORDBITS - 8);
+ hval ^= g;
+ }
+ }
+ return hval;
+}
+
+/* Load the message catalogs specified by device. If it is no valid
+ message catalog do nothing. */
+void tl_nl_load_domain (QIODevice* device, int size,
+ struct sk_kde_loaded_l10nfile *domain_file)
+{
+ struct mo_file_header *data = (struct mo_file_header *) -1;
+ struct loaded_domain *domain;
+
+ domain_file->decided = 1;
+ domain_file->data = NULL;
+
+ /* If the record does not represent a valid locale the FILENAME
+ might be NULL. This can happen when according to the given
+ specification the locale file name is different for XPG and CEN
+ syntax. */
+ if (device == NULL)
+ return;
+
+ /* Try to open the addressed file. */
+ if (device->open(IO_ReadOnly) == false)
+ return;
+
+ /* We must know about the size of the file. */
+ if (size < (off_t) sizeof (struct mo_file_header))
+ {
+ /* Something went wrong. */
+ device->close();
+ return;
+ }
+
+ /* If the data is not yet available (i.e. mmap'ed) we try to load
+ it manually. */
+ if (data == (struct mo_file_header *) -1)
+ {
+ off_t to_read;
+ char *read_ptr;
+
+ data = (struct mo_file_header *) malloc (size);
+ if (data == NULL)
+ return;
+
+ to_read = size;
+ read_ptr = (char *) data;
+ do
+ {
+ long int nb = (long int) device->readBlock (read_ptr, to_read);
+ if (nb == -1)
+ {
+ device->close();
+ return;
+ }
+
+ read_ptr += nb;
+ to_read -= nb;
+ }
+ while (to_read > 0);
+
+ device->close();
+ }
+
+ /* Using the magic number we can test whether it really is a message
+ catalog file. */
+ if (data->magic != _MAGIC && data->magic != _MAGIC_SWAPPED)
+ {
+ /* The magic number is wrong: not a message catalog file. */
+ free (data);
+ return;
+ }
+
+ domain_file->data
+ = (struct loaded_domain *) malloc (sizeof (struct loaded_domain));
+ if (domain_file->data == NULL)
+ return;
+
+ domain = (struct loaded_domain *) domain_file->data;
+ domain->data = (char *) data;
+ domain->must_swap = data->magic != _MAGIC;
+
+ /* Fill in the information about the available tables. */
+ switch (W (domain->must_swap, data->revision))
+ {
+ case 0:
+ domain->nstrings = W (domain->must_swap, data->nstrings);
+ domain->orig_tab = (struct string_desc *)
+ ((char *) data + W (domain->must_swap,
+ data->orig_tab_offset));
+ domain->trans_tab = (struct string_desc *)
+ ((char *) data + W (domain->must_swap,
+ data->trans_tab_offset));
+ domain->hash_size = W (domain->must_swap, data->hash_tab_size);
+ domain->hash_tab = (nls_uint32 *)
+ ((char *) data + W (domain->must_swap,
+ data->hash_tab_offset));
+ break;
+ default:
+ /* This is an illegal revision. */
+ free (data);
+ free (domain);
+ domain_file->data = NULL;
+ return;
+ }
+}
+
+void tl_nl_unload_domain (struct loaded_domain *domain)
+{
+ free ((void *) domain->data);
+ free (domain);
+}
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