mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-21 22:11:22 +03:00
ebe1b05114
remove unecessary inclusion of desktop search header in content header which has knock on effect of not having ctype or string system headers dragged in unecessarily. Futher this highlighted use of ctype API where internal ascii processing ought to be used.
102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
/*
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* Copyright 2009 Mark Benjamin <netsurf-browser.org.MarkBenjamin@dfgh.net>
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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
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* Interface to HTML searching.
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*/
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#ifndef NETSURF_CONTENT_SEARCH_H
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#define NETSURF_CONTENT_SEARCH_H
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#include "desktop/search.h"
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struct textsearch_context;
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struct content;
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struct hlcache_handle;
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struct box;
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/**
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* Free text search a content
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*
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* \param[in] h Handle to content to search.
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* \param[in] context The context passed to gui table search handlers
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* \param[in] flags The flags that control the search
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* \param[in] The string being searched for.
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* \retun NSERROR_OK on success else error code on faliure
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*/
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nserror content_textsearch(struct hlcache_handle *h, void *context, search_flags_t flags, const char *string);
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/**
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* Clear a search
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*
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* \param[in] h Handle to content to clear search from.
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*/
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nserror content_textsearch_clear(struct hlcache_handle *h);
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/**
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* Ends the search process, invalidating all state freeing the list of
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* found boxes.
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*/
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nserror content_textsearch_destroy(struct textsearch_context *textsearch);
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/**
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* Determines whether any portion of the given text box should be
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* selected because it matches the current search string.
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*
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* \param textsearch The search context to hilight entries from.
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* \param c The content to highlight within.
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* \param start_offset byte offset within text of string to be checked
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* \param end_offset byte offset within text
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* \param start_idx byte offset within string of highlight start
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* \param end_idx byte offset of highlight end
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* \return true iff part of the box should be highlighted
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*/
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bool content_textsearch_ishighlighted(struct textsearch_context *textsearch,
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unsigned start_offset,
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unsigned end_offset,
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unsigned *start_idx,
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unsigned *end_idx);
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/**
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* Find the first occurrence of 'match' in 'string' and return its index
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*
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* \param string the string to be searched (unterminated)
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* \param s_len length of the string to be searched
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* \param pattern the pattern for which we are searching (unterminated)
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* \param p_len length of pattern
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* \param case_sens true iff case sensitive match required
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* \param m_len accepts length of match in bytes
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* \return pointer to first match, NULL if none
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*/
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const char *content_textsearch_find_pattern(const char *string, int s_len, const char *pattern, int p_len, bool case_sens, unsigned int *m_len);
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/**
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* Add a new entry to the list of matches
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*
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* \param context The search context to add the entry to.
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* \param start_idx Offset of match start within textual representation
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* \param end_idx Offset of match end
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* \param start A pointer for the start
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* \param end A pointer for the end
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* \return NSERROR_OK on sucess else error code on faliure
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*/
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nserror content_textsearch_add_match(struct textsearch_context *context, unsigned start_idx, unsigned end_idx, struct box *start_ptr, struct box *end_ptr);
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#endif
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