mirror of
https://mzte.de/git/LordMZTE/dotfiles.git
synced 2024-09-27 12:38:58 +02:00
67 lines
2.1 KiB
Zig
67 lines
2.1 KiB
Zig
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//! Module for telescope.nvim.
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const std = @import("std");
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const ser = @import("../ser.zig");
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const ffi = @import("../ffi.zig");
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const c = ffi.c;
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pub fn luaPush(l: *c.lua_State) void {
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ser.luaPushAny(l, .{
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.makePathTransformer = ffi.luaFunc(lMakePathTransformer),
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});
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}
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fn lMakePathTransformer(l: *c.lua_State) !c_int {
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c.luaL_checktype(l, 1, c.LUA_TFUNCTION);
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c.lua_pushvalue(l, 1);
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c.lua_pushcclosure(l, ffi.luaFunc(lPathTransformerClosure), 1);
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return 1;
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}
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fn lPathTransformerClosure(l: *c.lua_State) !c_int {
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c.luaL_checkany(l, 1);
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const path = ffi.luaCheckstring(l, 2);
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// push the delegate function
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c.lua_pushvalue(l, c.lua_upvalueindex(1));
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// push the opts parameter
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c.lua_pushvalue(l, 1);
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const prefix = "jdt://contents/";
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if (std.mem.startsWith(u8, path, prefix)) {
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var buf: [1024 * 4]u8 = undefined;
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var fbs = std.io.fixedBufferStream(&buf);
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if (transformJdtlsURI(path, fbs.writer())) {
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ffi.luaPushString(l, fbs.getWritten());
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} else |e| {
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std.log.err("transforming JDTLS URI: {}", .{e});
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ffi.luaPushString(l, path);
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}
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} else {
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ffi.luaPushString(l, path);
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}
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c.lua_call(l, 2, 1);
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return 1;
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}
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fn transformJdtlsURI(uri_str: []const u8, writer: anytype) !void {
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// We do a full-on URI parse here because JDTLS often appends parameters and other garbage data.
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const uri = try std.Uri.parse(uri_str);
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var fname_iter = std.fs.path.ComponentIterator(.posix, u8).init(uri.path) catch
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unreachable; // this can only error on windows lol
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_ = fname_iter.next() orelse return error.InvalidPath; // name of the JAR
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const package = (fname_iter.next() orelse return error.InvalidPath).name;
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const classfile = (fname_iter.next() orelse return error.InvalidPath).name;
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if (std.mem.endsWith(u8, classfile, ".class")) {
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try writer.writeAll(classfile[0 .. classfile.len - ".class".len]);
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} else {
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try writer.writeAll(classfile);
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}
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try writer.print(" ({s})", .{package});
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}
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