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API: Implement vim_{out,err}_write

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This commit is contained in:
Thiago de Arruda 2014-05-09 14:10:25 -03:00
parent d2b715bf1d
commit c1d3539fb4
1 changed files with 37 additions and 2 deletions
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39
src/api/vim.c
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@ -13,9 +13,21 @@
#include "ex_docmd.h"
#include "screen.h"
#include "memory.h"
#include "message.h"
#include "eval.h"
#include "misc2.h"
#define LINE_BUFFER_SIZE 4096
/// Writes a message to vim output or error buffer. The string is split
/// and flushed after each newline. Incomplete lines are kept for writing
/// later.
///
/// @param message The message to write
/// @param to_err True if it should be treated as an error message(use
/// `emsg` instead of `msg` to print each line)
static void write_msg(String message, bool to_err);
void vim_push_keys(String str)
{
abort();
@ -151,12 +163,12 @@ void vim_set_option(String name, Object value, Error *err)
void vim_out_write(String str)
{
abort();
write_msg(str, false);
}
void vim_err_write(String str)
{
abort();
write_msg(str, true);
}
int64_t vim_get_buffer_count(void)
@ -218,3 +230,26 @@ void vim_set_current_tabpage(Tabpage tabpage)
{
abort();
}
static void write_msg(String message, bool to_err)
{
static int pos = 0;
static char line_buf[LINE_BUFFER_SIZE];
for (uint32_t i = 0; i < message.size; i++) {
if (message.data[i] == NL || pos == LINE_BUFFER_SIZE - 1) {
// Flush line
line_buf[pos] = NUL;
if (to_err) {
emsg((uint8_t *)line_buf);
} else {
msg((uint8_t *)line_buf);
}
pos = 0;
continue;
}
line_buf[pos++] = message.data[i];
}
}