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-rw-r--r--content/handlers/text/textplain.c308
-rw-r--r--content/handlers/text/textplain.h54
2 files changed, 173 insertions, 189 deletions
diff --git a/content/handlers/text/textplain.c b/content/handlers/text/textplain.c
index a233d827f..501ba1d34 100644
--- a/content/handlers/text/textplain.c
+++ b/content/handlers/text/textplain.c
@@ -594,6 +594,94 @@ static content_type textplain_content_type(void)
/**
+ * Return byte offset within UTF8 textplain content.
+ *
+ * given the co-ordinates of a point within a textplain content. 'dir'
+ * specifies the direction in which to search (-1 = above-left, +1 =
+ * below-right) if the co-ordinates are not contained within a line.
+ *
+ * \param[in] c content of type CONTENT_TEXTPLAIN
+ * \param[in] x x ordinate of point
+ * \param[in] y y ordinate of point
+ * \param[in] dir direction of search if not within line
+ * \return byte offset of character containing (or nearest to) point
+ */
+static size_t
+textplain_offset_from_coords(struct content *c, int x, int y, int dir)
+{
+ textplain_content *textc = (textplain_content *) c;
+ float line_height = textplain_line_height();
+ struct textplain_line *line;
+ const char *text;
+ unsigned nlines;
+ size_t length;
+ int idx;
+
+ assert(c != NULL);
+
+ y = (int)((float)(y - MARGIN) / line_height);
+ x -= MARGIN;
+
+ nlines = textc->physical_line_count;
+ if (!nlines)
+ return 0;
+
+ if (y <= 0) y = 0;
+ else if ((unsigned)y >= nlines)
+ y = nlines - 1;
+
+ line = &textc->physical_line[y];
+ text = textc->utf8_data + line->start;
+ length = line->length;
+ idx = 0;
+
+ while (x > 0) {
+ size_t next_offset = 0;
+ int width = INT_MAX;
+
+ while (next_offset < length && text[next_offset] != '\t') {
+ next_offset = utf8_next(text, length, next_offset);
+ }
+
+ if (next_offset < length) {
+ guit->layout->width(&textplain_style,
+ text,
+ next_offset,
+ &width);
+ }
+
+ if (x <= width) {
+ int pixel_offset;
+ size_t char_offset;
+
+ guit->layout->position(&textplain_style,
+ text, next_offset, x,
+ &char_offset, &pixel_offset);
+
+ idx += char_offset;
+ break;
+ }
+
+ x -= width;
+ length -= next_offset;
+ text += next_offset;
+ idx += next_offset;
+
+ /* check if it's within the tab */
+ width = textplain_tab_width - (width % textplain_tab_width);
+ if (x <= width) break;
+
+ x -= width;
+ length--;
+ text++;
+ idx++;
+ }
+
+ return line->start + idx;
+}
+
+
+/**
* Handle mouse clicks and movements in a TEXTPLAIN content window.
*
* \param c content of type textplain
@@ -1212,6 +1300,91 @@ textplain_coord_from_offset(const char *text, size_t offset, size_t length)
return x;
}
+
+/**
+ * Retrieve number of lines in content
+ *
+ * \param[in] c Content to retrieve line count from
+ * \return Number of lines
+ */
+static unsigned long textplain_line_count(struct content *c)
+{
+ textplain_content *text = (textplain_content *) c;
+
+ assert(c != NULL);
+
+ return text->physical_line_count;
+}
+
+
+/**
+ * Return a pointer to the requested line of text.
+ *
+ * \param[in] c content of type CONTENT_TEXTPLAIN
+ * \param[in] lineno line number
+ * \param[out] poffset receives byte offset of line start within text
+ * \param[out] plen receives length of returned line
+ * \return pointer to text, or NULL if invalid line number
+ */
+static char *
+textplain_get_line(struct content *c,
+ unsigned lineno,
+ size_t *poffset,
+ size_t *plen)
+{
+ textplain_content *text = (textplain_content *) c;
+ struct textplain_line *line;
+
+ assert(c != NULL);
+
+ if (lineno >= text->physical_line_count)
+ return NULL;
+ line = &text->physical_line[lineno];
+
+ *poffset = line->start;
+ *plen = line->length;
+ return text->utf8_data + line->start;
+}
+
+
+/**
+ * Find line number of byte in text
+ *
+ * Given a byte offset within the text, return the line number
+ * of the line containing that offset.
+ *
+ * \param[in] c content of type CONTENT_TEXTPLAIN
+ * \param[in] offset byte offset within textual representation
+ * \return line number, or -1 if offset invalid (larger than size)
+ */
+static int textplain_find_line(struct content *c, unsigned offset)
+{
+ textplain_content *text = (textplain_content *) c;
+ struct textplain_line *line;
+ int nlines;
+ int lineno = 0;
+
+ assert(c != NULL);
+
+ line = text->physical_line;
+ nlines = text->physical_line_count;
+
+ if (offset > text->utf8_data_size) {
+ return -1;
+ }
+
+/* \todo - implement binary search here */
+ while (lineno < nlines && line[lineno].start < offset) {
+ lineno++;
+ }
+ if (line[lineno].start > offset) {
+ lineno--;
+ }
+
+ return lineno;
+}
+
+
/**
* Finds all occurrences of a given string in a textplain content
*
@@ -1369,15 +1542,6 @@ nserror textplain_init(void)
}
-/* exported interface documented in html/textplain.h */
-unsigned long textplain_line_count(struct content *c)
-{
- textplain_content *text = (textplain_content *) c;
-
- assert(c != NULL);
-
- return text->physical_line_count;
-}
/* exported interface documented in html/textplain.h */
@@ -1392,81 +1556,6 @@ size_t textplain_size(struct content *c)
/* exported interface documented in html/textplain.h */
-size_t textplain_offset_from_coords(struct content *c, int x, int y, int dir)
-{
- textplain_content *textc = (textplain_content *) c;
- float line_height = textplain_line_height();
- struct textplain_line *line;
- const char *text;
- unsigned nlines;
- size_t length;
- int idx;
-
- assert(c != NULL);
-
- y = (int)((float)(y - MARGIN) / line_height);
- x -= MARGIN;
-
- nlines = textc->physical_line_count;
- if (!nlines)
- return 0;
-
- if (y <= 0) y = 0;
- else if ((unsigned)y >= nlines)
- y = nlines - 1;
-
- line = &textc->physical_line[y];
- text = textc->utf8_data + line->start;
- length = line->length;
- idx = 0;
-
- while (x > 0) {
- size_t next_offset = 0;
- int width = INT_MAX;
-
- while (next_offset < length && text[next_offset] != '\t') {
- next_offset = utf8_next(text, length, next_offset);
- }
-
- if (next_offset < length) {
- guit->layout->width(&textplain_style,
- text,
- next_offset,
- &width);
- }
-
- if (x <= width) {
- int pixel_offset;
- size_t char_offset;
-
- guit->layout->position(&textplain_style,
- text, next_offset, x,
- &char_offset, &pixel_offset);
-
- idx += char_offset;
- break;
- }
-
- x -= width;
- length -= next_offset;
- text += next_offset;
- idx += next_offset;
-
- /* check if it's within the tab */
- width = textplain_tab_width - (width % textplain_tab_width);
- if (x <= width) break;
-
- x -= width;
- length--;
- text++;
- idx++;
- }
-
- return line->start + idx;
-}
-
-
-/* exported interface documented in html/textplain.h */
void
textplain_coords_from_range(struct content *c,
unsigned start,
@@ -1522,57 +1611,6 @@ textplain_coords_from_range(struct content *c,
/* exported interface documented in html/textplain.h */
char *
-textplain_get_line(struct content *c,
- unsigned lineno,
- size_t *poffset,
- size_t *plen)
-{
- textplain_content *text = (textplain_content *) c;
- struct textplain_line *line;
-
- assert(c != NULL);
-
- if (lineno >= text->physical_line_count)
- return NULL;
- line = &text->physical_line[lineno];
-
- *poffset = line->start;
- *plen = line->length;
- return text->utf8_data + line->start;
-}
-
-
-/* exported interface documented in html/textplain.h */
-int textplain_find_line(struct content *c, unsigned offset)
-{
- textplain_content *text = (textplain_content *) c;
- struct textplain_line *line;
- int nlines;
- int lineno = 0;
-
- assert(c != NULL);
-
- line = text->physical_line;
- nlines = text->physical_line_count;
-
- if (offset > text->utf8_data_size) {
- return -1;
- }
-
-/* \todo - implement binary search here */
- while (lineno < nlines && line[lineno].start < offset) {
- lineno++;
- }
- if (line[lineno].start > offset) {
- lineno--;
- }
-
- return lineno;
-}
-
-
-/* exported interface documented in html/textplain.h */
-char *
textplain_get_raw_data(struct content *c,
unsigned start,
unsigned end,
diff --git a/content/handlers/text/textplain.h b/content/handlers/text/textplain.h
index 9c6ad9222..a2cfb5e00 100644
--- a/content/handlers/text/textplain.h
+++ b/content/handlers/text/textplain.h
@@ -26,11 +26,7 @@
#ifndef NETSURF_HTML_TEXTPLAIN_H
#define NETSURF_HTML_TEXTPLAIN_H
-#include <stddef.h>
-#include "netsurf/mouse.h"
-
struct content;
-struct hlcache_handle;
struct rect;
/**
@@ -42,15 +38,6 @@ nserror textplain_init(void);
/**
- * Retrieve number of lines in content
- *
- * \param[in] c Content to retrieve line count from
- * \return Number of lines
- */
-unsigned long textplain_line_count(struct content *c);
-
-
-/**
* Retrieve the size (in bytes) of text data
*
* \param[in] c Content to retrieve size of
@@ -60,22 +47,6 @@ size_t textplain_size(struct content *c);
/**
- * Return byte offset within UTF8 textplain content.
- *
- * given the co-ordinates of a point within a textplain content. 'dir'
- * specifies the direction in which to search (-1 = above-left, +1 =
- * below-right) if the co-ordinates are not contained within a line.
- *
- * \param[in] c content of type CONTENT_TEXTPLAIN
- * \param[in] x x ordinate of point
- * \param[in] y y ordinate of point
- * \param[in] dir direction of search if not within line
- * \return byte offset of character containing (or nearest to) point
- */
-size_t textplain_offset_from_coords(struct content *c, int x, int y, int dir);
-
-
-/**
* Given a range of byte offsets within a UTF8 textplain content,
* return a box that fully encloses the text
*
@@ -87,31 +58,6 @@ size_t textplain_offset_from_coords(struct content *c, int x, int y, int dir);
void textplain_coords_from_range(struct content *c,
unsigned start, unsigned end, struct rect *r);
-/**
- * Return a pointer to the requested line of text.
- *
- * \param[in] c content of type CONTENT_TEXTPLAIN
- * \param[in] lineno line number
- * \param[out] poffset receives byte offset of line start within text
- * \param[out] plen receives length of returned line
- * \return pointer to text, or NULL if invalid line number
- */
-char *textplain_get_line(struct content *c, unsigned lineno,
- size_t *poffset, size_t *plen);
-
-
-/**
- * Find line number of byte in text
- *
- * Given a byte offset within the text, return the line number
- * of the line containing that offset.
- *
- * \param[in] c content of type CONTENT_TEXTPLAIN
- * \param[in] offset byte offset within textual representation
- * \return line number, or -1 if offset invalid (larger than size)
- */
-int textplain_find_line(struct content *c, unsigned offset);
-
/**
* Return a pointer to the raw UTF-8 data, as opposed to the reformatted
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 01:33:02 +0000