Remove testing data

1 files changed, 0 insertions, 394 deletions

diff --git a/examples/dte/edit.c b/examples/dte/edit.c
deleted file mode 100644
index 337a1e9..0000000
--- a/examples/dte/edit.c
+++ /dev/null
@@ -1,394 +0,0 @@
-#include <string.h>
-#include "edit.h"
-#include "block.h"
-#include "buffer.h"
-#include "syntax/highlight.h"
-#include "util/debug.h"
-#include "util/list.h"
-#include "util/xmalloc.h"
-
-enum {
-    BLOCK_EDIT_SIZE = 512
-};
-
-static void sanity_check_blocks(const View *view, bool check_newlines)
-{
-#if DEBUG >= 1
-    const Buffer *buffer = view->buffer;
-    BUG_ON(list_empty(&buffer->blocks));
-    BUG_ON(view->cursor.offset > view->cursor.blk->size);
-
-    const Block *blk = BLOCK(buffer->blocks.next);
-    if (blk->size == 0) {
-        // The only time a zero-sized block is valid is when it's the
-        // first and only block
-        BUG_ON(buffer->blocks.next->next != &buffer->blocks);
-        BUG_ON(view->cursor.blk != blk);
-        return;
-    }
-
-    bool cursor_seen = false;
-    block_for_each(blk, &buffer->blocks) {
-        const size_t size = blk->size;
-        BUG_ON(size == 0);
-        BUG_ON(size > blk->alloc);
-        if (blk == view->cursor.blk) {
-            cursor_seen = true;
-        }
-        if (check_newlines) {
-            BUG_ON(blk->data[size - 1] != '\n');
-        }
-        if (DEBUG > 2) {
-            BUG_ON(count_nl(blk->data, size) != blk->nl);
-        }
-    }
-    BUG_ON(!cursor_seen);
-#else
-    // Silence "unused parameter" warnings
-    (void)view;
-    (void)check_newlines;
-#endif
-}
-
-static size_t copy_count_nl(char *dst, const char *src, size_t len)
-{
-    size_t nl = 0;
-    for (size_t i = 0; i < len; i++) {
-        dst[i] = src[i];
-        if (src[i] == '\n') {
-            nl++;
-        }
-    }
-    return nl;
-}
-
-static size_t insert_to_current(BlockIter *cursor, const char *buf, size_t len)
-{
-    Block *blk = cursor->blk;
-    size_t offset = cursor->offset;
-    size_t size = blk->size + len;
-
-    if (size > blk->alloc) {
-        blk->alloc = round_size_to_next_multiple(size, BLOCK_ALLOC_MULTIPLE);
-        xrenew(blk->data, blk->alloc);
-    }
-    memmove(blk->data + offset + len, blk->data + offset, blk->size - offset);
-    size_t nl = copy_count_nl(blk->data + offset, buf, len);
-    blk->nl += nl;
-    blk->size = size;
-    return nl;
-}
-
-/*
- * Combine current block and new data into smaller blocks:
- *   - Block _must_ contain whole lines
- *   - Block _must_ contain at least one line
- *   - Preferred maximum size of block is BLOCK_EDIT_SIZE
- *   - Size of any block can be larger than BLOCK_EDIT_SIZE
- *     only if there's a very long line
- */
-static size_t split_and_insert(BlockIter *cursor, const char *buf, size_t len)
-{
-    Block *blk = cursor->blk;
-    ListHead *prev_node = blk->node.prev;
-    const char *buf1 = blk->data;
-    const char *buf2 = buf;
-    const char *buf3 = blk->data + cursor->offset;
-    size_t size1 = cursor->offset;
-    size_t size2 = len;
-    size_t size3 = blk->size - size1;
-    size_t total = size1 + size2 + size3;
-    size_t start = 0; // Beginning of new block
-    size_t size = 0; // Size of new block
-    size_t pos = 0; // Current position
-    size_t nl_added = 0;
-
-    while (start < total) {
-        // Size of new block if next line would be added
-        size_t new_size = 0;
-        size_t copied = 0;
-
-        if (pos < size1) {
-            const char *nl = memchr(buf1 + pos, '\n', size1 - pos);
-            if (nl) {
-                new_size = nl - buf1 + 1 - start;
-            }
-        }
-
-        if (!new_size && pos < size1 + size2) {
-            size_t offset = 0;
-            if (pos > size1) {
-                offset = pos - size1;
-            }
-
-            const char *nl = memchr(buf2 + offset, '\n', size2 - offset);
-            if (nl) {
-                new_size = size1 + nl - buf2 + 1 - start;
-            }
-        }
-
-        if (!new_size && pos < total) {
-            size_t offset = 0;
-            if (pos > size1 + size2) {
-                offset = pos - size1 - size2;
-            }
-
-            const char *nl = memchr(buf3 + offset, '\n', size3 - offset);
-            if (nl) {
-                new_size = size1 + size2 + nl - buf3 + 1 - start;
-            } else {
-                new_size = total - start;
-            }
-        }
-
-        if (new_size <= BLOCK_EDIT_SIZE) {
-            // Fits
-            size = new_size;
-            pos = start + new_size;
-            if (pos < total) {
-                continue;
-            }
-        } else {
-            // Does not fit
-            if (!size) {
-                // One block containing one very long line
-                size = new_size;
-                pos = start + new_size;
-            }
-        }
-
-        BUG_ON(!size);
-        Block *new = block_new(size);
-        if (start < size1) {
-            size_t avail = size1 - start;
-            size_t count = MIN(size, avail);
-            new->nl += copy_count_nl(new->data, buf1 + start, count);
-            copied += count;
-            start += count;
-        }
-        if (start >= size1 && start < size1 + size2) {
-            size_t offset = start - size1;
-            size_t avail = size2 - offset;
-            size_t count = MIN(size - copied, avail);
-            new->nl += copy_count_nl(new->data + copied, buf2 + offset, count);
-            copied += count;
-            start += count;
-        }
-        if (start >= size1 + size2) {
-            size_t offset = start - size1 - size2;
-            size_t avail = size3 - offset;
-            size_t count = size - copied;
-            BUG_ON(count > avail);
-            new->nl += copy_count_nl(new->data + copied, buf3 + offset, count);
-            copied += count;
-            start += count;
-        }
-
-        new->size = size;
-        BUG_ON(copied != size);
-        list_add_before(&new->node, &blk->node);
-
-        nl_added += new->nl;
-        size = 0;
-    }
-
-    cursor->blk = BLOCK(prev_node->next);
-    while (cursor->offset > cursor->blk->size) {
-        cursor->offset -= cursor->blk->size;
-        cursor->blk = BLOCK(cursor->blk->node.next);
-    }
-
-    nl_added -= blk->nl;
-    block_free(blk);
-    return nl_added;
-}
-
-static size_t insert_bytes(BlockIter *cursor, const char *buf, size_t len)
-{
-    // Blocks must contain whole lines.
-    // Last char of buf might not be newline.
-    block_iter_normalize(cursor);
-
-    Block *blk = cursor->blk;
-    size_t new_size = blk->size + len;
-    if (new_size <= blk->alloc || new_size <= BLOCK_EDIT_SIZE) {
-        return insert_to_current(cursor, buf, len);
-    }
-
-    if (blk->nl <= 1 && !memchr(buf, '\n', len)) {
-        // Can't split this possibly very long line.
-        // insert_to_current() is much faster than split_and_insert().
-        return insert_to_current(cursor, buf, len);
-    }
-    return split_and_insert(cursor, buf, len);
-}
-
-void do_insert(View *view, const char *buf, size_t len)
-{
-    Buffer *buffer = view->buffer;
-    size_t nl = insert_bytes(&view->cursor, buf, len);
-    buffer->nl += nl;
-    sanity_check_blocks(view, true);
-
-    view_update_cursor_y(view);
-    buffer_mark_lines_changed(buffer, view->cy, nl ? LONG_MAX : view->cy);
-    if (buffer->syn) {
-        hl_insert(buffer, view->cy, nl);
-    }
-}
-
-static bool only_block(const Buffer *buffer, const Block *blk)
-{
-    return blk->node.prev == &buffer->blocks && blk->node.next == &buffer->blocks;
-}
-
-char *do_delete(View *view, size_t len, bool sanity_check_newlines)
-{
-    ListHead *saved_prev_node = NULL;
-    Block *blk = view->cursor.blk;
-    size_t offset = view->cursor.offset;
-    size_t pos = 0;
-    size_t deleted_nl = 0;
-
-    if (!len) {
-        return NULL;
-    }
-
-    if (!offset) {
-        // The block where cursor is can become empty and thereby may be deleted
-        saved_prev_node = blk->node.prev;
-    }
-
-    Buffer *buffer = view->buffer;
-    char *deleted = xmalloc(len);
-    while (pos < len) {
-        ListHead *next = blk->node.next;
-        size_t avail = blk->size - offset;
-        size_t count = MIN(len - pos, avail);
-        size_t nl = copy_count_nl(deleted + pos, blk->data + offset, count);
-        if (count < avail) {
-            memmove (
-                blk->data + offset,
-                blk->data + offset + count,
-                avail - count
-            );
-        }
-
-        deleted_nl += nl;
-        buffer->nl -= nl;
-        blk->nl -= nl;
-        blk->size -= count;
-        if (!blk->size && !only_block(buffer, blk)) {
-            block_free(blk);
-        }
-
-        offset = 0;
-        pos += count;
-        blk = BLOCK(next);
-
-        BUG_ON(pos < len && next == &buffer->blocks);
-    }
-
-    if (saved_prev_node) {
-        // Cursor was at beginning of a block that was possibly deleted
-        if (saved_prev_node->next == &buffer->blocks) {
-            view->cursor.blk = BLOCK(saved_prev_node);
-            view->cursor.offset = view->cursor.blk->size;
-        } else {
-            view->cursor.blk = BLOCK(saved_prev_node->next);
-        }
-    }
-
-    blk = view->cursor.blk;
-    if (
-        blk->size
-        && blk->data[blk->size - 1] != '\n'
-        && blk->node.next != &buffer->blocks
-    ) {
-        Block *next = BLOCK(blk->node.next);
-        size_t size = blk->size + next->size;
-
-        if (size > blk->alloc) {
-            blk->alloc = round_size_to_next_multiple(size, BLOCK_ALLOC_MULTIPLE);
-            xrenew(blk->data, blk->alloc);
-        }
-        memcpy(blk->data + blk->size, next->data, next->size);
-        blk->size = size;
-        blk->nl += next->nl;
-        block_free(next);
-    }
-
-    sanity_check_blocks(view, sanity_check_newlines);
-
-    view_update_cursor_y(view);
-    buffer_mark_lines_changed(buffer, view->cy, deleted_nl ? LONG_MAX : view->cy);
-    if (buffer->syn) {
-        hl_delete(buffer, view->cy, deleted_nl);
-    }
-    return deleted;
-}
-
-char *do_replace(View *view, size_t del, const char *buf, size_t ins)
-{
-    block_iter_normalize(&view->cursor);
-    Block *blk = view->cursor.blk;
-    size_t offset = view->cursor.offset;
-
-    size_t avail = blk->size - offset;
-    if (del >= avail) {
-        goto slow;
-    }
-
-    size_t new_size = blk->size + ins - del;
-    if (new_size > BLOCK_EDIT_SIZE) {
-        // Should split
-        if (blk->nl > 1 || memchr(buf, '\n', ins)) {
-            // Most likely can be split
-            goto slow;
-        }
-    }
-
-    if (new_size > blk->alloc) {
-        blk->alloc = round_size_to_next_multiple(new_size, BLOCK_ALLOC_MULTIPLE);
-        xrenew(blk->data, blk->alloc);
-    }
-
-    // Modification is limited to one block
-    Buffer *buffer = view->buffer;
-    char *ptr = blk->data + offset;
-    char *deleted = xmalloc(del);
-    size_t del_nl = copy_count_nl(deleted, ptr, del);
-    blk->nl -= del_nl;
-    buffer->nl -= del_nl;
-
-    if (del != ins) {
-        memmove(ptr + ins, ptr + del, avail - del);
-    }
-
-    size_t ins_nl = copy_count_nl(ptr, buf, ins);
-    blk->nl += ins_nl;
-    buffer->nl += ins_nl;
-    blk->size = new_size;
-    sanity_check_blocks(view, true);
-    view_update_cursor_y(view);
-
-    // If the number of inserted and removed bytes are the same, some
-    // line(s) changed but the lines after them didn't move up or down
-    long max = (del_nl == ins_nl) ? view->cy + del_nl : LONG_MAX;
-    buffer_mark_lines_changed(buffer, view->cy, max);
-
-    if (buffer->syn) {
-        hl_delete(buffer, view->cy, del_nl);
-        hl_insert(buffer, view->cy, ins_nl);
-    }
-
-    return deleted;
-
-slow:
-    // The "sanity_check_newlines" argument of do_delete() is false here
-    // because it may be removing a terminating newline that do_insert()
-    // is going to insert again at a different position:
-    deleted = do_delete(view, del, false);
-    do_insert(view, buf, ins);
-    return deleted;
-}