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1 changed files with 15 additions and 32 deletions
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src/main.zig
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@ -2,6 +2,9 @@ const std = @import("std");
const clap = @import("clap");
const md4c = @import("md4c_h.zig");
const ansi = @import("ansi-term");
const cstdio = @cImport({
@cInclude("stdio.h");
});
pub fn main() !void {
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
@ -9,8 +12,7 @@ pub fn main() !void {
const params = comptime clap.parseParamsComptime(
\\-h, --help display this help and exit
\\-v, --version display the version and exit
\\<FILE> file to read from, empty or "-" use stdin
\\<FILE> file to read from, if empty or "-" use stdin.
\\
);
@ -28,14 +30,8 @@ pub fn main() !void {
};
defer res.deinit();
if (res.args.help != 0) return clap.help(std.io.getStdErr().writer(), clap.Help, &params, .{});
const version_string = "0.1.1\n";
if (res.args.version != 0) return std.debug.print(version_string, .{});
var reader: std.io.AnyReader = undefined;
if (res.positionals.len < 1 or std.mem.eql(u8, res.positionals[0], "-")) {
if (res.positionals.len < 1) {
reader = std.io.getStdIn().reader().any();
} else {
const filename = res.positionals[0];
@ -101,36 +97,30 @@ const State = struct {
};
fn enter_block(blocktype: md4c.MD_BLOCKTYPE, detail: ?*anyopaque, userdata: ?*anyopaque) callconv(.C) c_int {
//std.debug.print("enter {d}\n", .{blocktype});
const state: *State = @ptrCast(@alignCast(userdata));
if (blocktype == md4c.MD_BLOCK_H) {
just_write(state.writer, "\n");
const h_detail: *md4c.MD_BLOCK_H_DETAIL = @ptrCast(@alignCast(detail));
var temp_style = state.last_style;
temp_style.font_style.dim = true;
temp_style.font_style.bold = true;
state.update_style(temp_style);
for (0..h_detail.level) |_| {
just_write(state.writer, "#");
}
temp_style.font_style.dim = false;
temp_style.font_style.bold = state.nested_bold_count > 0;
state.update_style(temp_style);
just_write(state.writer, " ");
}
if (blocktype == md4c.MD_BLOCK_LI) {
const li_detail: *md4c.MD_BLOCK_LI_DETAIL = @ptrCast(@alignCast(detail));
var temp_style = state.last_style;
if (li_detail.is_task == 0) temp_style.font_style.dim = true;
temp_style.font_style.bold = true;
state.update_style(temp_style);
if (li_detail.is_task == 0) {
just_write(state.writer, "• ");
} else {
@ -140,7 +130,6 @@ fn enter_block(blocktype: md4c.MD_BLOCKTYPE, detail: ?*anyopaque, userdata: ?*an
just_write(state.writer, "☐ ");
}
}
temp_style.font_style.dim = false;
temp_style.font_style.bold = state.nested_bold_count > 0;
state.update_style(temp_style);
@ -152,6 +141,7 @@ fn enter_block(blocktype: md4c.MD_BLOCKTYPE, detail: ?*anyopaque, userdata: ?*an
}
fn leave_block(blocktype: md4c.MD_BLOCKTYPE, detail: ?*anyopaque, userdata: ?*anyopaque) callconv(.C) c_int {
//std.debug.print("leave {d}\n", .{blocktype});
const state: *State = @ptrCast(@alignCast(userdata));
if (blocktype == md4c.MD_BLOCK_H) {
@ -161,15 +151,14 @@ fn leave_block(blocktype: md4c.MD_BLOCKTYPE, detail: ?*anyopaque, userdata: ?*an
just_write(state.writer, "\n");
}
if (blocktype == md4c.MD_BLOCK_HR) {
var winsize: std.c.winsize = undefined;
var temp_style = state.last_style;
temp_style.font_style.dim = true;
temp_style.font_style.bold = true;
state.update_style(temp_style);
const term_name = "/dev/tty";
const term_name_c = cstdio.ctermid(null);
const term_name = std.mem.sliceTo(term_name_c, 0);
const term_fd = std.posix.open(term_name, .{}, 0) catch errorexit(5, "failed to open terminal D:\n");
var winsize: std.c.winsize = undefined;
if (std.c.ioctl(term_fd, std.c.T.IOCGWINSZ, &winsize) != -1) {
for (0..winsize.ws_col) |_| {
just_write(state.writer, "-");
@ -178,7 +167,6 @@ fn leave_block(blocktype: md4c.MD_BLOCKTYPE, detail: ?*anyopaque, userdata: ?*an
} else {
just_write(state.writer, "---\n");
}
temp_style.font_style.dim = false;
temp_style.font_style.bold = state.nested_bold_count > 0;
state.update_style(temp_style);
@ -213,16 +201,14 @@ fn enter_span(spantype: md4c.MD_SPANTYPE, detail: ?*anyopaque, userdata: ?*anyop
temp_style.foreground = .Blue;
temp_style.font_style.underline = true;
state.update_style(temp_style);
just_write(state.writer, "\x1b]8;;"); // OSC 8 link begin
just_write(state.writer, "\x1b]8;;");
const detail_a: *md4c.MD_SPAN_A_DETAIL = @ptrCast(@alignCast(detail));
const link_c = detail_a.href.text;
const link = link_c[0..detail_a.href.size];
just_write(state.writer, link);
just_write(state.writer, "\x07"); // OSC 8 link seperate url and text
just_write(state.writer, "\x07");
}
// TODO emit ansi to the writer
return 0; // TODO what does the return value represent ????
}
@ -246,13 +232,13 @@ fn leave_span(spantype: md4c.MD_SPANTYPE, detail: ?*anyopaque, userdata: ?*anyop
state.update_underline();
}
if (spantype == md4c.MD_SPAN_A) {
just_write(state.writer, "\x1b]8;;\x07"); // OSC 8 link end
just_write(state.writer, "\x1b]8;;\x07");
var temp_style = state.last_style;
temp_style.foreground = .Default;
state.update_style(temp_style);
state.update_underline();
}
// TODO emit ansi to the writer
return 0; // TODO what does the return value represent ????
}
@ -274,9 +260,7 @@ fn on_text(texttype: md4c.MD_TEXTTYPE, text: [*c]const md4c.MD_CHAR, size: md4c.
var temp_style = state.last_style;
temp_style.font_style.dim = true;
state.update_style(temp_style);
just_write(state.writer, text_data);
temp_style.font_style.dim = false;
state.update_style(temp_style);
}
@ -298,7 +282,6 @@ const parser: md4c.MD_PARSER = .{
};
fn errorexit(code: u8, comptime msg: []const u8) noreturn {
std.debug.print("mdcat exiting with error: ", .{});
std.debug.print(msg, .{});
std.process.exit(code);
}