zig-postgres/src/parser.zig at main · rofrol/zig-postgres · GitHub

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const std = @import("std");

const print = std.debug.print;

const Allocator = std.mem.Allocator;

const meta = std.meta;

const Utf8View = std.unicode.Utf8View;

const Self = @This();

// allocator: *Allocator = allocator,

pub fn init(allocator: Allocator) Self {

_ = allocator;

return Self{

// .allocator = allocator,

};

}

pub fn parseJson(self: *const Self, comptime T: type, value: []const u8, allocator: Allocator) !T {

_ = self;

var stream = std.json.TokenStream.init(value);

return try std.json.parse(T, &stream, .{ .allocator = allocator });

}

pub fn parseArray(self: *const Self, value: []const u8, break_point: []const u8, allocator: Allocator) ![][]const u8 {

_ = self;

var buffer = std.ArrayList([]const u8).init(allocator);

var stop_point: usize = try std.math.divCeil(usize, break_point.len, 2);

for (value) |_, index| {

const one_step = index + break_point.len;

if (one_step == value.len and stop_point < index) {

try buffer.append(value[stop_point..index]);

}

if (one_step == value.len) break;

if (std.mem.eql(u8, value[index..one_step], break_point)) {

try buffer.append(value[stop_point..index]);

stop_point = one_step;

}

return buffer.toOwnedSlice();

}

// const testing = std.testing;

// test "Parser" {

// var gpa = std.heap.GeneralPurposeAllocator(.{}){};

// const allocator = &gpa.allocator;

// const test_string =

// \\{Ace,2,Queen}

// ;

// const test_string2 =

// \\{"Test string ?","I am long text!","Finishing words." }

// ;

// const parser = Self.init(allocator);

// var parsed1 = try parser.parseArray(test_string, ",");

// var parsed2 = try parser.parseArray(test_string2, "\x22,\x22");

// var results1 = [3][]const u8{

// "Ace",

// "2",

// "Queen",

// };

// var results2 = [3][]const u8{

// "Test string ?",

// "I am long text!",

// "Finishing words.",

// };

// // Todo finish test

// for (parsed1) |value, index| {

// print("{s} \n", .{value});

// }

// for (parsed2) |value, index| {

// print("{s} \n", .{value});

// }

// defer {

// allocator.free(parsed1);

// allocator.free(parsed2);

// std.debug.assert(!gpa.deinit());

// }

zig-postgres/src/parser.zig at main · rofrol/zig-postgres · GitHub

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