1 files changed, 0 insertions, 256 deletions

diff --git a/examples/dte/replace.c b/examples/dte/replace.c
deleted file mode 100644
index 028d474..0000000
--- a/examples/dte/replace.c
+++ /dev/null
@@ -1,256 +0,0 @@
-#include <stdlib.h>
-#include "replace.h"
-#include "buffer.h"
-#include "change.h"
-#include "editor.h"
-#include "error.h"
-#include "regexp.h"
-#include "screen.h"
-#include "selection.h"
-#include "util/debug.h"
-#include "util/string.h"
-#include "util/xmalloc.h"
-#include "view.h"
-#include "window.h"
-
-static void build_replacement (
-    String *buf,
-    const char *line,
-    const char *format,
-    const regmatch_t *matches
-) {
-    for (size_t i = 0; format[i]; ) {
-        char ch = format[i++];
-        size_t match_idx;
-        if (ch == '\\') {
-            if (unlikely(format[i] == '\0')) {
-                break;
-            }
-            ch = format[i++];
-            if (ch < '1' || ch > '9') {
-                string_append_byte(buf, ch);
-                continue;
-            }
-            match_idx = ch - '0';
-        } else if (ch == '&') {
-            match_idx = 0;
-        } else {
-            string_append_byte(buf, ch);
-            continue;
-        }
-        const regmatch_t *match = &matches[match_idx];
-        regoff_t len = match->rm_eo - match->rm_so;
-        if (len > 0) {
-            string_append_buf(buf, line + match->rm_so, (size_t)len);
-        }
-    }
-}
-
-/*
- * s/abc/x
- *
- * string                to match against
- * -------------------------------------------
- * "foo abc bar abc baz" "foo abc bar abc baz"
- * "foo x bar abc baz"   " bar abc baz"
- */
-static unsigned int replace_on_line (
-    View *view,
-    StringView *line,
-    regex_t *re,
-    const char *format,
-    BlockIter *bi,
-    ReplaceFlags *flagsp
-) {
-    const unsigned char *buf = line->data;
-    unsigned char *alloc = NULL;
-    EditorState *e = view->window->editor;
-    ReplaceFlags flags = *flagsp;
-    regmatch_t matches[32];
-    size_t pos = 0;
-    int eflags = 0;
-    unsigned int nr = 0;
-
-    while (regexp_exec (
-        re,
-        buf + pos,
-        line->length - pos,
-        ARRAYLEN(matches),
-        matches,
-        eflags
-    )) {
-        regoff_t match_len = matches[0].rm_eo - matches[0].rm_so;
-        bool skip = false;
-
-        // Move cursor to beginning of the text to replace
-        block_iter_skip_bytes(bi, matches[0].rm_so);
-        view->cursor = *bi;
-
-        if (flags & REPLACE_CONFIRM) {
-            switch (status_prompt(e, "Replace? [Y/n/a/q]", "ynaq")) {
-            case 'y':
-                break;
-            case 'n':
-                skip = true;
-                break;
-            case 'a':
-                flags &= ~REPLACE_CONFIRM;
-                *flagsp = flags;
-
-                // Record rest of the changes as one chain
-                begin_change_chain();
-                break;
-            case 'q':
-            case 0:
-                *flagsp = flags | REPLACE_CANCEL;
-                goto out;
-            }
-        }
-
-        if (skip) {
-            // Move cursor after the matched text
-            block_iter_skip_bytes(&view->cursor, match_len);
-        } else {
-            String b = STRING_INIT;
-            build_replacement(&b, buf + pos, format, matches);
-
-            // line ref is invalidated by modification
-            if (buf == line->data && line->length != 0) {
-                BUG_ON(alloc);
-                alloc = xmemdup(buf, line->length);
-                buf = alloc;
-            }
-
-            buffer_replace_bytes(view, match_len, b.buffer, b.len);
-            nr++;
-
-            // Update selection length
-            if (view->selection) {
-                view->sel_eo += b.len;
-                view->sel_eo -= match_len;
-            }
-
-            // Move cursor after the replaced text
-            block_iter_skip_bytes(&view->cursor, b.len);
-            string_free(&b);
-        }
-        *bi = view->cursor;
-
-        if (!match_len) {
-            break;
-        }
-
-        if (!(flags & REPLACE_GLOBAL)) {
-            break;
-        }
-
-        pos += matches[0].rm_so + match_len;
-
-        // Don't match beginning of line again
-        eflags = REG_NOTBOL;
-    }
-
-out:
-    free(alloc);
-    return nr;
-}
-
-bool reg_replace(View *view, const char *pattern, const char *format, ReplaceFlags flags)
-{
-    if (unlikely(pattern[0] == '\0')) {
-        return error_msg("Search pattern must contain at least 1 character");
-    }
-
-    int re_flags = REG_NEWLINE;
-    re_flags |= (flags & REPLACE_IGNORE_CASE) ? REG_ICASE : 0;
-    re_flags |= (flags & REPLACE_BASIC) ? 0 : DEFAULT_REGEX_FLAGS;
-
-    regex_t re;
-    if (unlikely(!regexp_compile_internal(&re, pattern, re_flags))) {
-        return false;
-    }
-
-    BlockIter bi = block_iter(view->buffer);
-    size_t nr_bytes;
-    bool swapped = false;
-    if (view->selection) {
-        SelectionInfo info;
-        init_selection(view, &info);
-        view->cursor = info.si;
-        view->sel_so = info.so;
-        view->sel_eo = info.eo;
-        swapped = info.swapped;
-        bi = view->cursor;
-        nr_bytes = info.eo - info.so;
-    } else {
-        BlockIter eof = bi;
-        block_iter_eof(&eof);
-        nr_bytes = block_iter_get_offset(&eof);
-    }
-
-    // Record multiple changes as one chain only when replacing all
-    if (!(flags & REPLACE_CONFIRM)) {
-        begin_change_chain();
-    }
-
-    unsigned int nr_substitutions = 0;
-    size_t nr_lines = 0;
-    while (1) {
-        StringView line;
-        fill_line_ref(&bi, &line);
-
-        // Number of bytes to process
-        size_t count = line.length;
-        if (line.length > nr_bytes) {
-            // End of selection is not full line
-            line.length = nr_bytes;
-        }
-
-        unsigned int nr = replace_on_line(view, &line, &re, format, &bi, &flags);
-        if (nr) {
-            nr_substitutions += nr;
-            nr_lines++;
-        }
-
-        if (flags & REPLACE_CANCEL || count + 1 >= nr_bytes) {
-            break;
-        }
-
-        nr_bytes -= count + 1;
-        block_iter_next_line(&bi);
-    }
-
-    if (!(flags & REPLACE_CONFIRM)) {
-        end_change_chain(view);
-    }
-
-    regfree(&re);
-
-    if (nr_substitutions) {
-        info_msg (
-            "%u substitution%s on %zu line%s",
-            nr_substitutions,
-            (nr_substitutions > 1) ? "s" : "",
-            nr_lines,
-            (nr_lines > 1) ? "s" : ""
-        );
-    } else if (!(flags & REPLACE_CANCEL)) {
-        error_msg("Pattern '%s' not found", pattern);
-    }
-
-    if (view->selection) {
-        // Undo what init_selection() did
-        if (view->sel_eo) {
-            view->sel_eo--;
-        }
-        if (swapped) {
-            ssize_t tmp = view->sel_so;
-            view->sel_so = view->sel_eo;
-            view->sel_eo = tmp;
-        }
-        block_iter_goto_offset(&view->cursor, view->sel_eo);
-        view->sel_eo = SEL_EO_RECALC;
-    }
-
-    return (nr_substitutions > 0);
-}