mirror of
https://github.com/netsurf-browser/netsurf
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135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/*
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* Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file desktop/searchweb.h
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* \brief core web search facilities interface.
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*/
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#ifndef _NETSURF_DESKTOP_SEARCH_WEB_H_
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#define _NETSURF_DESKTOP_SEARCH_WEB_H_
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struct bitmap;
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struct nsurl;
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/**
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* Graphical user interface browser web search function table.
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*
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*/
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struct gui_search_web_table {
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/**
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* called when the search provider details are updated.
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*
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* \param provider_name The name of the provider.
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* \param ico_bitmap The bitmap of the search icon may be NULL
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* if no icon is yet available.
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*/
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nserror (*provider_update)(const char *provider_name, struct bitmap *ico_bitmap);
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};
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/**
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* Flags which alter the behaviour of the omin search.
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*/
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enum search_web_omni_flags {
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/** no changes to default operation */
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SEARCH_WEB_OMNI_NONE = 0,
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/** The search does not attempt to interpret the url as a url
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* before using it as a search term.
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*/
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SEARCH_WEB_OMNI_SEARCHONLY = 1,
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};
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/**
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* Generate a nsurl from a search term.
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*
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* This interface obtains a url appropriate for the given search
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* term. The flags allow control over the operation. By default the
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* operations are:
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* - interpret the \a term as a url
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* - if missing a scheme as a http: url
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* - combined with the search providers url into a url for that provider.
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*
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* \param term The search term.
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* \param flags Flags to control operation.
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* \param url_out The ourput url on success.
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* \return NSERROR_OK on success or appropriate error code.
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*/
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nserror search_web_omni(const char *term, enum search_web_omni_flags flags, struct nsurl **url_out);
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/**
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* obtain the current providers bitmap
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*
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* obtain the icon representing the current web search provider
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*
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* \param bitmap_out recives the resulting bitmap which may be NULL
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* \return NSERROR_OK on success or NSERROR_INIT_FAILED if not initialised
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*/
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nserror search_web_get_provider_bitmap(struct bitmap **bitmap_out);
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/**
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* Change the currently selected web search provider.
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*
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* \param selection Index of the search provider to select or -1 to
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* reselect the current provider
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* \return NSERROR_OK on success or appropriate error code.
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*/
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nserror search_web_select_provider(int selection);
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/**
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* Iterate the search providers, returning their names.
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*
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* \param from Index to start iteration from. Use 0 to begin iteration.
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* Use the value returned from search_web_iterate_providers to
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* continue an iteration.
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* \param name Pointer to fill in with the search provider name requested.
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* \return -1 if there are no more, otherwise the iterator for the next item.
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*
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* \verbatim
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* ssize_t iter;
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* const char *name;
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* ...
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* for (iter = search_web_iterate_providers(0, &name);
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* iter != -1;
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* iter = search_web_iterate_providers(iter, &name)) {
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* do_something_with(name);
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* }
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* \endverbatim
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*/
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ssize_t search_web_iterate_providers(ssize_t from, const char **name);
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/**
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* Initialise the web search operations.
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*
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* \param provider_fname Path to web search providers file.
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* \return NSERROR_OK on successful initialisation or appropriate error code.
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*/
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nserror search_web_init(const char *provider_fname);
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/**
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* Finalise the web search operations freeing all resources.
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*
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* \return NSERROR_OK on success or appropriate error code.
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*/
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nserror search_web_finalise(void);
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#endif
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