From 2f4cb88d5c60f725323739300bb49dfa8923e7d5 Mon Sep 17 00:00:00 2001 From: Albert Cervin Date: Wed, 2 Nov 2022 22:20:04 +0100 Subject: =?UTF-8?q?=F0=9F=8E=89=20And=20so=20it=20begins?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/text.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/text.h (limited to 'src/text.h') diff --git a/src/text.h b/src/text.h new file mode 100644 index 0000000..21de899 --- /dev/null +++ b/src/text.h @@ -0,0 +1,39 @@ +#include +#include +#include + +// opaque so it is easier to change representation to gap, rope etc. +struct text; + +struct render_cmd; + +struct text *text_create(uint32_t initial_capacity); +void text_destroy(struct text *text); + +void text_append(struct text *text, uint32_t line, uint32_t col, uint8_t *bytes, + uint32_t nbytes, uint32_t *lines_added, uint32_t *cols_added); + +void text_delete(struct text *text, uint32_t line, uint32_t col, + uint32_t nchars); +void text_delete_line(struct text *text, uint32_t line); + +uint32_t text_render(struct text *text, uint32_t line, uint32_t nlines, + struct render_cmd *cmds, uint32_t max_ncmds); + +uint32_t text_num_lines(struct text *text); +uint32_t text_line_length(struct text *text, uint32_t lineidx); +uint32_t text_line_size(struct text *text, uint32_t lineidx); + +struct txt_line { + uint8_t *text; + uint32_t nbytes; + uint32_t nchars; +}; + +typedef void (*line_cb)(struct txt_line *line); +void text_for_each_line(struct text *text, uint32_t line, uint32_t nlines, + line_cb callback); + +struct txt_line text_get_line(struct text *text, uint32_t line); + +bool text_line_contains_unicode(struct text *text, uint32_t line); -- cgit v1.2.3