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LibMarkdown: Take a 'view_width' argument for render_for_terminal()

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Some constructs will require the width of the terminal (or a general
'width') to be rendered correctly, such as tables.
This commit is contained in:
AnotherTest 2020-09-20 16:41:04 +04:30 • committed by Andreas Kling
parent 5fbec2b003
commit aa65f664a9
12 changed files with 30 additions and 14 deletions
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20
Userland/md.cpp
View file

@ -32,22 +32,38 @@
#include <LibMarkdown/Document.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
int main(int argc, char* argv[])
{
if (pledge("stdio rpath", nullptr) < 0) {
if (pledge("stdio rpath tty", nullptr) < 0) {
perror("pledge");
return 1;
}
const char* file_name = nullptr;
bool html = false;
int view_width = 0;
Core::ArgsParser args_parser;
args_parser.add_option(html, "Render to HTML rather than for the terminal", "html", 'H');
args_parser.add_option(view_width, "Viewport width for the terminal (defaults to current terminal width)", "view-width", 0, "width");
args_parser.add_positional_argument(file_name, "Path to Markdown file", "path", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
if (!html && view_width == 0) {
if (isatty(STDOUT_FILENO)) {
struct winsize ws;
if (ioctl(STDERR_FILENO, TIOCGWINSZ, &ws) < 0)
view_width = 80;
else
view_width = ws.ws_col;
} else {
view_width = 80;
}
}
auto file = Core::File::construct();
bool success;
if (file_name == nullptr) {
@ -77,6 +93,6 @@ int main(int argc, char* argv[])
return 1;
}
String res = html ? document->render_to_html() : document->render_for_terminal();
String res = html ? document->render_to_html() : document->render_for_terminal(view_width);
printf("%s", res.characters());
}