forked from AuroraMiddleware/gtk
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/* GSK - The GIMP Toolkit
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* Copyright (C) 2019 Benjamin Otte <otte@gnome.org>
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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 Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkcsslocationprivate.h"
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/**
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* GtkCssLocation:
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* @bytes: number of bytes parsed since the beginning
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* @chars: number of characters parsed since the beginning
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* @lines: number of full lines that have been parsed. If you want to
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* display this as a line number, you need to add 1 to this.
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* @line_bytes: Number of bytes parsed since the last line break
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* @line_chars: Number of characters parsed since the last line break
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*
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* Represents a location in a file or other source of data parsed
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* by the CSS engine.
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*
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* The @bytes and @line_bytes offsets are meant to be used to
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* programmatically match data. The @lines and @line_chars offsets
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* can be used for printing the location in a file.
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*
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* Note that the @lines parameter starts from 0 and is increased
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* whenever a CSS line break is encountered. (CSS defines the C character
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* sequences "\r\n", "\r", "\n" and "\f" as newlines.)
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* If your document uses different rules for line breaking, you might want
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* run into problems here.
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*/
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void
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gtk_css_location_init (GtkCssLocation *location)
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{
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memset (location, 0, sizeof (GtkCssLocation));
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}
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void
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gtk_css_location_advance (GtkCssLocation *location,
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gsize bytes,
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gsize chars)
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{
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location->bytes += bytes;
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location->chars += chars;
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location->line_bytes += bytes;
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location->line_chars += chars;
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}
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void
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gtk_css_location_advance_newline (GtkCssLocation *location,
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gboolean is_windows)
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{
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gtk_css_location_advance (location, is_windows ? 2 : 1, is_windows ? 2 : 1);
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location->lines++;
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location->line_bytes = 0;
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location->line_chars = 0;
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}
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