X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=apps%2Firssi%2Fsrc%2Ffe-text%2Ftextbuffer.c;fp=apps%2Firssi%2Fsrc%2Ffe-text%2Ftextbuffer.c;h=0000000000000000000000000000000000000000;hb=72c2de619079457f7a68100eb13385275a424a23;hp=930e55ad6d205365adc909c808232f313243c5ef;hpb=e7b6c157b80152bf9fb9266e6bdd93f9fb0db776;p=runtime.git

diff --git a/apps/irssi/src/fe-text/textbuffer.c b/apps/irssi/src/fe-text/textbuffer.c
deleted file mode 100644
index 930e55ad..00000000
--- a/apps/irssi/src/fe-text/textbuffer.c
+++ /dev/null
@@ -1,554 +0,0 @@
-/*
- textbuffer.c : Text buffer handling
-
-    Copyright (C) 1999-2001 Timo Sirainen
-
-    This program 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.
-
-    This program 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 this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*/
-
-#define	G_LOG_DOMAIN "TextBuffer"
-
-#include "module.h"
-#include "misc.h"
-#include "formats.h"
-
-#include "textbuffer.h"
-
-#ifdef HAVE_REGEX_H
-#  include <regex.h>
-#endif
-
-#define TEXT_CHUNK_USABLE_SIZE (LINE_TEXT_CHUNK_SIZE-2-(int)sizeof(char*))
-
-static GMemChunk *buffer_chunk, *line_chunk, *text_chunk;
-
-TEXT_BUFFER_REC *textbuffer_create(void)
-{
-	TEXT_BUFFER_REC *buffer;
-
-	buffer = g_mem_chunk_alloc0(buffer_chunk);
-	buffer->last_eol = TRUE;
-        return buffer;
-}
-
-void textbuffer_destroy(TEXT_BUFFER_REC *buffer)
-{
-	g_return_if_fail(buffer != NULL);
-
-	textbuffer_remove_all_lines(buffer);
-        g_mem_chunk_free(buffer_chunk, buffer);
-}
-
-static TEXT_CHUNK_REC *text_chunk_find(TEXT_BUFFER_REC *buffer,
-				       const unsigned char *data)
-{
-	GSList *tmp;
-
-	for (tmp = buffer->text_chunks; tmp != NULL; tmp = tmp->next) {
-		TEXT_CHUNK_REC *rec = tmp->data;
-
-		if (data >= rec->buffer &&
-		    data < rec->buffer+sizeof(rec->buffer))
-                        return rec;
-	}
-
-	return NULL;
-}
-
-#define mark_temp_eol(chunk) G_STMT_START { \
-	(chunk)->buffer[(chunk)->pos] = 0; \
-	(chunk)->buffer[(chunk)->pos+1] = LINE_CMD_EOL; \
-	} G_STMT_END
-
-static TEXT_CHUNK_REC *text_chunk_create(TEXT_BUFFER_REC *buffer)
-{
-	TEXT_CHUNK_REC *rec;
-	unsigned char *buf, *ptr, **pptr;
-
-	rec = g_mem_chunk_alloc(text_chunk);
-	rec->pos = 0;
-	rec->refcount = 0;
-
-	if (buffer->cur_line != NULL && buffer->cur_line->text != NULL) {
-		/* create a link to new block from the old block */
-		buf = buffer->cur_text->buffer + buffer->cur_text->pos;
-		*buf++ = 0; *buf++ = (char) LINE_CMD_CONTINUE;
-
-		/* we want to store pointer to beginning of the new text
-		   block to char* buffer. this probably isn't ANSI-C
-		   compatible, and trying this without the pptr variable
-		   breaks at least NetBSD/Alpha, so don't go "optimize"
-		   it :) */
-		ptr = rec->buffer; pptr = &ptr;
-		memcpy(buf, pptr, sizeof(unsigned char *));
-	} else {
-		/* just to be safe */
-		mark_temp_eol(rec);
-	}
-
-	buffer->cur_text = rec;
-	buffer->text_chunks = g_slist_append(buffer->text_chunks, rec);
-	return rec;
-}
-
-static void text_chunk_destroy(TEXT_BUFFER_REC *buffer, TEXT_CHUNK_REC *chunk)
-{
-	buffer->text_chunks = g_slist_remove(buffer->text_chunks, chunk);
-	g_mem_chunk_free(text_chunk, chunk);
-}
-
-static void text_chunk_line_free(TEXT_BUFFER_REC *buffer, LINE_REC *line)
-{
-	TEXT_CHUNK_REC *chunk;
-	const unsigned char *text;
-        unsigned char cmd, *tmp = NULL;
-
-	for (text = line->text;; text++) {
-		if (*text != '\0')
-                        continue;
-
-		text++;
-		cmd = *text;
-		if (cmd == LINE_CMD_CONTINUE || cmd == LINE_CMD_EOL) {
-			if (cmd == LINE_CMD_CONTINUE)
-				memcpy(&tmp, text+1, sizeof(char *));
-
-			/* free the previous block */
-			chunk = text_chunk_find(buffer, text);
-			if (--chunk->refcount == 0) {
-				if (buffer->cur_text == chunk)
-					chunk->pos = 0;
-				else
-					text_chunk_destroy(buffer, chunk);
-			}
-
-			if (cmd == LINE_CMD_EOL)
-				break;
-
-			text = tmp-1;
-		} else if (cmd == LINE_CMD_INDENT_FUNC) {
-			text += sizeof(int (*) ());
-		}
-	}
-}
-
-static void text_chunk_append(TEXT_BUFFER_REC *buffer,
-			      const unsigned char *data, int len)
-{
-        TEXT_CHUNK_REC *chunk;
-	int left;
-
-	if (len == 0)
-                return;
-
-        chunk = buffer->cur_text;
-	while (chunk->pos + len >= TEXT_CHUNK_USABLE_SIZE) {
-		left = TEXT_CHUNK_USABLE_SIZE - chunk->pos;
-		if (left > 0 && data[left-1] == 0)
-			left--; /* don't split the commands */
-
-		memcpy(chunk->buffer + chunk->pos, data, left);
-		chunk->pos += left;
-
-		chunk = text_chunk_create(buffer);
-		chunk->refcount++;
-		len -= left; data += left;
-	}
-
-	memcpy(chunk->buffer + chunk->pos, data, len);
-	chunk->pos += len;
-
-	mark_temp_eol(chunk);
-}
-
-static LINE_REC *textbuffer_line_create(TEXT_BUFFER_REC *buffer)
-{
-	LINE_REC *rec;
-
-	if (buffer->cur_text == NULL)
-                text_chunk_create(buffer);
-
-	rec = g_mem_chunk_alloc(line_chunk);
-        rec->refcount = 1;
-	rec->text = buffer->cur_text->buffer + buffer->cur_text->pos;
-
-	buffer->cur_text->refcount++;
-        return rec;
-}
-
-static LINE_REC *textbuffer_line_insert(TEXT_BUFFER_REC *buffer,
-					LINE_REC *prev)
-{
-	LINE_REC *line;
-
-	line = textbuffer_line_create(buffer);
-	line->prev = prev;
-	if (prev == NULL) {
-		line->next = buffer->first_line;
-                if (buffer->first_line != NULL)
-			buffer->first_line->prev = line;
-		buffer->first_line = line;
-	} else {
-		line->next = prev->next;
-                if (line->next != NULL)
-			line->next->prev = line;
-		prev->next = line;
-	}
-
-	if (prev == buffer->cur_line)
-		buffer->cur_line = line;
-        buffer->lines_count++;
-
-        return line;
-}
-
-void textbuffer_line_ref(LINE_REC *line)
-{
-	g_return_if_fail(line != NULL);
-
-	if (++line->refcount == 255)
-                g_error("line reference counter wrapped - shouldn't happen");
-}
-
-void textbuffer_line_unref(TEXT_BUFFER_REC *buffer, LINE_REC *line)
-{
-	g_return_if_fail(buffer != NULL);
-	g_return_if_fail(line != NULL);
-
-	if (--line->refcount == 0) {
-		text_chunk_line_free(buffer, line);
-		g_mem_chunk_free(line_chunk, line);
-	}
-}
-
-void textbuffer_line_unref_list(TEXT_BUFFER_REC *buffer, GList *list)
-{
-	g_return_if_fail(buffer != NULL);
-
-	while (list != NULL) {
-                if (list->data != NULL)
-			textbuffer_line_unref(buffer, list->data);
-                list = list->next;
-	}
-}
-
-LINE_REC *textbuffer_line_last(TEXT_BUFFER_REC *buffer)
-{
-	LINE_REC *line;
-
-	line = buffer->cur_line;
-	if (line != NULL) {
-		while (line->next != NULL)
-			line = line->next;
-	}
-        return line;
-}
-
-int textbuffer_line_exists_after(LINE_REC *line, LINE_REC *search)
-{
-	while (line != NULL) {
-		if (line == search)
-			return TRUE;
-                line = line->next;
-	}
-        return FALSE;
-}
-
-LINE_REC *textbuffer_append(TEXT_BUFFER_REC *buffer,
-			    const unsigned char *data, int len,
-			    LINE_INFO_REC *info)
-{
-        return textbuffer_insert(buffer, buffer->cur_line, data, len, info);
-}
-
-LINE_REC *textbuffer_insert(TEXT_BUFFER_REC *buffer, LINE_REC *insert_after,
-			    const unsigned char *data, int len,
-			    LINE_INFO_REC *info)
-{
-	LINE_REC *line;
-
-	g_return_val_if_fail(buffer != NULL, NULL);
-	g_return_val_if_fail(data != NULL, NULL);
-
-	if (len == 0)
-                return insert_after;
-
-	line = !buffer->last_eol ? insert_after :
-		textbuffer_line_insert(buffer, insert_after);
-
-	if (info != NULL)
-		memcpy(&line->info, info, sizeof(line->info));
-
-	text_chunk_append(buffer, data, len);
-
-	buffer->last_eol = len >= 2 &&
-		data[len-2] == 0 && data[len-1] == LINE_CMD_EOL;
-
-        return line;
-}
-
-void textbuffer_remove(TEXT_BUFFER_REC *buffer, LINE_REC *line)
-{
-	g_return_if_fail(buffer != NULL);
-	g_return_if_fail(line != NULL);
-
-	if (buffer->first_line == line)
-		buffer->first_line = line->next;
-	if (line->prev != NULL)
-		line->prev->next = line->next;
-	if (line->next != NULL)
-		line->next->prev = line->prev;
-
-	if (buffer->cur_line == line) {
-		buffer->cur_line = line->next != NULL ?
-			line->next : line->prev;
-	}
-
-        line->prev = line->next = NULL;
-
-	buffer->lines_count--;
-        textbuffer_line_unref(buffer, line);
-}
-
-/* Removes all lines from buffer, ignoring reference counters */
-void textbuffer_remove_all_lines(TEXT_BUFFER_REC *buffer)
-{
-	GSList *tmp;
-        LINE_REC *line;
-
-	g_return_if_fail(buffer != NULL);
-
-	for (tmp = buffer->text_chunks; tmp != NULL; tmp = tmp->next)
-                g_mem_chunk_free(text_chunk, tmp->data);
-	g_slist_free(buffer->text_chunks);
-	buffer->text_chunks = NULL;
-
-	while (buffer->first_line != NULL) {
-		line = buffer->first_line->next;
-		g_mem_chunk_free(line_chunk, buffer->first_line);
-                buffer->first_line = line;
-	}
-	buffer->lines_count = 0;
-
-        buffer->cur_line = NULL;
-        buffer->cur_text = NULL;
-
-	buffer->last_eol = TRUE;
-}
-
-static void set_color(GString *str, int cmd, int *last_fg, int *last_bg)
-{
-	if (cmd & LINE_COLOR_DEFAULT) {
-		g_string_sprintfa(str, "\004%c", FORMAT_STYLE_DEFAULTS);
-
-		/* need to reset the fg/bg color */
-		if (cmd & LINE_COLOR_BG) {
-                        *last_bg = -1;
-			if (*last_fg != -1) {
-				g_string_sprintfa(str, "\004%c%c",
-						  *last_fg,
-						  FORMAT_COLOR_NOCHANGE);
-			}
-		} else {
-                        *last_fg = -1;
-			if (*last_bg != -1) {
-				g_string_sprintfa(str, "\004%c%c",
-						  FORMAT_COLOR_NOCHANGE,
-						  *last_bg);
-			}
-		}
-                return;
-	}
-
-	if ((cmd & LINE_COLOR_BG) == 0) {
-                /* change foreground color */
-                *last_fg = (cmd & 0x0f)+'0';
-		g_string_sprintfa(str, "\004%c%c", *last_fg,
-				  FORMAT_COLOR_NOCHANGE);
-	} else {
-		/* change background color */
-                *last_bg = (cmd & 0x0f)+'0';
-		g_string_sprintfa(str, "\004%c%c",
-				  FORMAT_COLOR_NOCHANGE, *last_bg);
-	}
-}
-
-void textbuffer_line2text(LINE_REC *line, int coloring, GString *str)
-{
-        unsigned char cmd, *ptr, *tmp;
-        int last_fg, last_bg;
-
-	g_return_if_fail(line != NULL);
-	g_return_if_fail(str != NULL);
-
-        g_string_truncate(str, 0);
-
-        last_fg = last_bg = -1;
-	for (ptr = line->text;;) {
-		if (*ptr != 0) {
-			g_string_append_c(str, (char) *ptr);
-                        ptr++;
-			continue;
-		}
-
-		ptr++;
-                cmd = *ptr;
-		ptr++;
-
-		if (cmd == LINE_CMD_EOL || cmd == LINE_CMD_FORMAT) {
-                        /* end of line */
-			break;
-		}
-
-		if (cmd == LINE_CMD_CONTINUE) {
-                        /* line continues in another address.. */
-			memcpy(&tmp, ptr, sizeof(unsigned char *));
-			ptr = tmp;
-                        continue;
-		}
-
-		if (!coloring) {
-			/* no colors, skip coloring commands */
-                        continue;
-		}
-
-		if ((cmd & 0x80) == 0) {
-			/* set color */
-                        set_color(str, cmd, &last_fg, &last_bg);
-		} else switch (cmd) {
-		case LINE_CMD_UNDERLINE:
-			g_string_append_c(str, 31);
-			break;
-		case LINE_CMD_REVERSE:
-			g_string_append_c(str, 22);
-			break;
-		case LINE_CMD_COLOR0:
-			g_string_sprintfa(str, "\004%c%c",
-					  '0', FORMAT_COLOR_NOCHANGE);
-			break;
-		case LINE_CMD_INDENT:
-			break;
-		case LINE_CMD_INDENT_FUNC:
-                        ptr += sizeof(void *);
-			break;
-		}
-	}
-}
-
-GList *textbuffer_find_text(TEXT_BUFFER_REC *buffer, LINE_REC *startline,
-			    int level, int nolevel, const char *text,
-			    int before, int after,
-			    int regexp, int fullword, int case_sensitive)
-{
-#ifdef HAVE_REGEX_H
-	regex_t preg;
-#endif
-        LINE_REC *line, *pre_line;
-	GList *matches;
-	GString *str;
-        int i, match_after, line_matched;
-
-	g_return_val_if_fail(buffer != NULL, NULL);
-	g_return_val_if_fail(text != NULL, NULL);
-
-	if (regexp) {
-#ifdef HAVE_REGEX_H
-		int flags = REG_EXTENDED | REG_NOSUB |
-			(case_sensitive ? 0 : REG_ICASE);
-		if (regcomp(&preg, text, flags) != 0)
-			return NULL;
-#else
-		return NULL;
-#endif
-	}
-
-	matches = NULL; match_after = 0;
-        str = g_string_new(NULL);
-
-	line = startline != NULL ? startline : buffer->first_line;
-
-	for (; line != NULL; line = line->next) {
-		if ((line->info.level & level) == 0 ||
-		    (line->info.level & nolevel) != 0)
-                        continue;
-
-		if (*text == '\0') {
-                        /* no search word, everything matches */
-                        textbuffer_line_ref(line);
-			matches = g_list_append(matches, line);
-			continue;
-		}
-
-                textbuffer_line2text(line, FALSE, str);
-
-		line_matched =
-#ifdef HAVE_REGEX_H
-			regexp ? regexec(&preg, str->str, 0, NULL, 0) == 0 :
-#endif
-			fullword ? strstr_full_case(str->str, text, !case_sensitive) != NULL :
-			case_sensitive ? strstr(str->str, text) != NULL :
-			stristr(str->str, text) != NULL;
-		if (line_matched) {
-                        /* add the -before lines */
-			pre_line = line;
-			for (i = 0; i < before; i++) {
-				if (pre_line->prev == NULL ||
-				    g_list_find(matches, pre_line->prev) != NULL)
-					break;
-                                pre_line = pre_line->prev;
-			}
-
-			for (; pre_line != line; pre_line = pre_line->next) {
-				textbuffer_line_ref(pre_line);
-				matches = g_list_append(matches, pre_line);
-			}
-
-			match_after = after;
-		}
-
-		if (line_matched || match_after > 0) {
-			/* matched */
-                        textbuffer_line_ref(line);
-			matches = g_list_append(matches, line);
-
-			if ((!line_matched && --match_after == 0) ||
-			    (line_matched && match_after == 0 && before > 0))
-				matches = g_list_append(matches, NULL);
-		}
-	}
-#ifdef HAVE_REGEX_H
-	if (regexp) regfree(&preg);
-#endif
-        g_string_free(str, TRUE);
-	return matches;
-}
-
-void textbuffer_init(void)
-{
-	buffer_chunk = g_mem_chunk_new("text buffer chunk",
-				       sizeof(TEXT_BUFFER_REC),
-				       sizeof(TEXT_BUFFER_REC)*32, G_ALLOC_AND_FREE);
-	line_chunk = g_mem_chunk_new("line chunk", sizeof(LINE_REC),
-				     sizeof(LINE_REC)*1024, G_ALLOC_AND_FREE);
-	text_chunk = g_mem_chunk_new("text chunk", sizeof(TEXT_CHUNK_REC),
-				     sizeof(TEXT_CHUNK_REC)*32, G_ALLOC_AND_FREE);
-}
-
-void textbuffer_deinit(void)
-{
-	g_mem_chunk_destroy(buffer_chunk);
-	g_mem_chunk_destroy(line_chunk);
-	g_mem_chunk_destroy(text_chunk);
-}