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-rw-r--r--find.c146
1 files changed, 119 insertions, 27 deletions
diff --git a/find.c b/find.c
index 0d3d3f4..a4db362 100644
--- a/find.c
+++ b/find.c
@@ -5,6 +5,20 @@ static u32 find_compilation_flags(Ted *ted) {
| (ted->find_regex ? 0 : PCRE2_LITERAL);
}
+static u32 find_replace_flags(Ted *ted) {
+ return (ted->find_regex ? 0 : PCRE2_SUBSTITUTE_LITERAL);
+}
+
+static void ted_seterr_to_pcre2_err(Ted *ted, int err) {
+ char32_t buf[256] = {0};
+ size_t len = (size_t)pcre2_get_error_message(err, buf, arr_count(buf) - 1);
+ char *error_cstr = str32_to_utf8_cstr(str32(buf, len));
+ if (error_cstr) {
+ ted_seterr(ted, "Search error: %s.", error_cstr);
+ free(error_cstr);
+ }
+}
+
static bool find_compile_pattern(Ted *ted) {
TextBuffer *find_buffer = &ted->find_buffer;
String32 term = buffer_get_line(find_buffer, 0);
@@ -21,16 +35,6 @@ static bool find_compile_pattern(Ted *ted) {
return true;
} else {
ted->find_invalid_pattern = true;
- #if 0
- // @TODO: write this to a buffer and check it in find_next_in_direction
- char32_t buf[256] = {0};
- size_t len = (size_t)pcre2_get_error_message(error, buf, sizeof buf - 1);
- char *error_cstr = str32_to_utf8_cstr(str32(buf, len));
- if (error_cstr) {
- ted_seterr(ted, "Invalid search term (position %zu): %s.", (size_t)error_pos, error_cstr);
- free(error_cstr);
- }
- #endif
}
pcre2_match_data_free(match_data);
} else {
@@ -54,13 +58,17 @@ static void find_free_pattern(Ted *ted) {
arr_clear(ted->find_results);
}
-static void find_open(Ted *ted) {
+static void find_open(Ted *ted, bool replace) {
if (!ted->find && ted->active_buffer) {
ted->prev_active_buffer = ted->active_buffer;
ted->active_buffer = &ted->find_buffer;
ted->find = true;
buffer_clear(&ted->find_buffer);
}
+ if (!ted->replace && replace) {
+ ted->replace = true;
+ buffer_clear(&ted->replace_buffer);
+ }
}
static void find_close(Ted *ted) {
@@ -75,7 +83,7 @@ static float find_menu_height(Ted *ted) {
Settings const *settings = &ted->settings;
float padding = settings->padding;
- return 2 * char_height + 5 * padding;
+ return 2 * char_height + (padding + char_height) * ted->replace + 5 * padding;
}
// finds the next match in the buffer, returning false if there is no match this line.
@@ -158,6 +166,19 @@ static void find_update(Ted *ted) {
}
}
+// returns the index of the match we are "on", or U32_MAX for none.
+static u32 find_match_idx(Ted *ted) {
+ TextBuffer *buffer = ted->prev_active_buffer;
+ if (!buffer->selection) return U32_MAX;
+ u32 match_idx = U32_MAX;
+ arr_foreach_ptr(ted->find_results, FindResult, result) {
+ if (buffer_pos_eq(result->start, buffer->selection_pos)
+ && buffer_pos_eq(result->end, buffer->cursor_pos))
+ match_idx = (u32)(result - ted->find_results);
+ }
+ return match_idx;
+}
+
static void find_menu_frame(Ted *ted) {
Font *font = ted->font, *font_bold = ted->font_bold;
float const char_height = text_font_char_height(font),
@@ -169,7 +190,7 @@ static void find_menu_frame(Ted *ted) {
float const window_width = ted->window_width, window_height = ted->window_height;
u32 const *colors = settings->colors;
- TextBuffer *buffer = ted->prev_active_buffer, *find_buffer = &ted->find_buffer;
+ TextBuffer *buffer = ted->prev_active_buffer, *find_buffer = &ted->find_buffer, *replace_buffer = &ted->replace_buffer;
assert(buffer);
u32 first_rendered_line = buffer_first_rendered_line(buffer);
@@ -177,14 +198,9 @@ static void find_menu_frame(Ted *ted) {
find_update(ted);
- u32 match_pos = U32_MAX; // index of result we are on
arr_foreach_ptr(ted->find_results, FindResult, result) {
// highlight matches
BufferPos p1 = result->start, p2 = result->end;
- if (buffer->selection
- && buffer_pos_eq(p1, buffer->selection_pos)
- && buffer_pos_eq(p2, buffer->cursor_pos))
- match_pos = (u32)(result - ted->find_results);
if (p2.line >= first_rendered_line && p1.line <= last_rendered_line) {
v2 pos1 = buffer_pos_to_pixels(buffer, p1);
v2 pos2 = buffer_pos_to_pixels(buffer, p2);
@@ -195,12 +211,13 @@ static void find_menu_frame(Ted *ted) {
}
}
-
+ bool replace = ted->replace;
float x1 = padding, y1 = window_height - menu_height + padding, x2 = window_width - padding, y2 = window_height - padding;
- char const *find_text = "Find...";
- float find_text_width = 0;
- text_get_size(font_bold, find_text, &find_text_width, NULL);
+ char const *find_text = "Find...", *replace_text = "Replace with";
+ float text_width = 0;
+ text_get_size(font_bold, replace ? replace_text : find_text, &text_width, NULL);
+
Rect menu_bounds = rect4(x1, y1, x2, y2);
@@ -209,17 +226,19 @@ static void find_menu_frame(Ted *ted) {
x2 -= padding;
y2 -= padding;
- Rect find_buffer_bounds = rect4(x1 + find_text_width + padding, y1, x2 - padding, y1 + char_height);
+ Rect find_buffer_bounds = rect4(x1 + text_width + padding, y1, x2 - padding, y1 + char_height);
+ Rect replace_buffer_bounds = rect_translate(find_buffer_bounds, V2(0, char_height + padding));
gl_geometry_rect(menu_bounds, colors[COLOR_MENU_BG]);
gl_geometry_rect_border(menu_bounds, 1, colors[COLOR_BORDER]);
{
float w = 0, h = 0;
char str[32];
- if (match_pos == U32_MAX) {
+ u32 match_idx = find_match_idx(ted);
+ if (match_idx == U32_MAX) {
strbuf_printf(str, U32_FMT " matches", arr_len(ted->find_results));
} else if (buffer->selection) {
- strbuf_printf(str, U32_FMT " of " U32_FMT, match_pos + 1, arr_len(ted->find_results));
+ strbuf_printf(str, U32_FMT " of " U32_FMT, match_idx + 1, arr_len(ted->find_results));
}
text_get_size(font, str, &w, &h);
text_utf8(font, str, x2 - w, rect_ymid(find_buffer_bounds) - h * 0.5f, colors[COLOR_TEXT]);
@@ -227,9 +246,14 @@ static void find_menu_frame(Ted *ted) {
find_buffer_bounds.size.x -= w;
}
- text_utf8(font_bold, "Find...", x1, y1, colors[COLOR_TEXT]);
+ text_utf8(font_bold, find_text, x1, y1, colors[COLOR_TEXT]);
y1 += char_height_bold + padding;
+ if (replace) {
+ text_utf8(font_bold, replace_text, x1, y1, colors[COLOR_TEXT]);
+ y1 += char_height_bold + padding;
+ }
+
gl_geometry_draw();
text_render(font_bold);
@@ -237,7 +261,20 @@ static void find_menu_frame(Ted *ted) {
x += checkbox_frame(ted, &ted->find_case_sensitive, "Case sensitive", V2(x, y1)).x + 2*padding;
x += checkbox_frame(ted, &ted->find_regex, "Regular expression", V2(x, y1)).x + 2*padding;
+ if (replace) {
+ // check if the find or replace line buffer was clicked on
+ for (u32 i = 0; i < ted->nmouse_clicks[SDL_BUTTON_LEFT]; ++i) {
+ v2 point = ted->mouse_clicks[SDL_BUTTON_LEFT][i];
+ if (rect_contains_point(find_buffer_bounds, point))
+ ted->active_buffer = find_buffer;
+ else if (rect_contains_point(replace_buffer_bounds, point))
+ ted->active_buffer = replace_buffer;
+
+ }
+ }
+
buffer_render(find_buffer, find_buffer_bounds);
+ if (replace) buffer_render(replace_buffer, replace_buffer_bounds);
String32 term = buffer_get_line(find_buffer, 0);
@@ -256,7 +293,6 @@ static void find_next_in_direction(Ted *ted, int direction) {
BufferPos pos = direction == +1 || !buffer->selection ? buffer->cursor_pos : buffer->selection_pos;
u32 nlines = buffer->nlines;
- find_update(ted);
// we need to search the starting line twice, because we might start at a non-zero index
for (size_t nsearches = 0; nsearches < nlines + 1; ++nsearches) {
@@ -273,10 +309,66 @@ static void find_next_in_direction(Ted *ted, int direction) {
// go to next find result
static void find_next(Ted *ted) {
+ find_update(ted);
+ if (!ted->find_code) return;
+
+ if (ted->replace) {
+ TextBuffer *buffer = ted->prev_active_buffer;
+ u32 match_idx = find_match_idx(ted);
+ if (match_idx != U32_MAX) {
+ FindResult match = ted->find_results[match_idx];
+ assert(match.start.line == match.end.line);
+ String32 line = buffer_get_line(buffer, match.start.line);
+ String32 replacement = buffer_get_line(&ted->replace_buffer, 0);
+ // we are currently highlighting the find pattern, let's replace it
+
+ // get size of buffer needed.
+ PCRE2_SIZE output_size = 0;
+ u32 flags = find_replace_flags(ted);
+ char32_t *str = line.str + match.start.index;
+ u32 len = match.end.index - match.start.index;
+
+ int ret = pcre2_substitute(ted->find_code, str, len, 0,
+ PCRE2_SUBSTITUTE_OVERFLOW_LENGTH|flags, ted->find_match_data, NULL, replacement.str,
+ replacement.len, NULL, &output_size);
+ char32_t *output_buffer = output_size
+ ? calloc(output_size, sizeof *output_buffer)
+ : NULL;
+ if (output_buffer || !output_size) {
+ ret = pcre2_substitute(ted->find_code, str, len, 0,
+ flags, ted->find_match_data, NULL, replacement.str,
+ replacement.len, output_buffer, &output_size);
+ if (ret > 0) {
+ buffer->selection = false; // stop selecting match
+ buffer_delete_chars_at_pos(buffer, match.start, len);
+ if (output_buffer)
+ buffer_insert_text_at_pos(buffer, match.start, str32(output_buffer, output_size));
+
+ // remove this match
+ arr_remove(ted->find_results, match_idx);
+
+ i64 diff = (i64)output_size - len; // change in number of characters
+ arr_foreach_ptr(ted->find_results, FindResult, result) {
+ if (result->start.line == match.start.line && result->start.index > match.end.index) {
+ // fix indices of other find results
+ result->start.index = (u32)(result->start.index + diff);
+ result->end.index = (u32)(result->end.index + diff);
+ }
+ }
+ } else if (ret < 0) {
+ ted_seterr_to_pcre2_err(ted, ret);
+ }
+ free(output_buffer);
+ } else {
+ ted_seterr(ted, "Out of memory.");
+ }
+ }
+ }
find_next_in_direction(ted, +1);
}
static void find_prev(Ted *ted) {
+ find_update(ted);
find_next_in_direction(ted, -1);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-17 04:28:33 +0000