66 lines
2.0 KiB
Markdown
66 lines
2.0 KiB
Markdown
```zig title="Zig"
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const std = @import("std");
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const kreuzberg = @import("kreuzberg");
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer _ = gpa.deinit();
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const allocator = gpa.allocator();
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const config_json = "{}";
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const result_json = try kreuzberg.extract_file_sync("document.pdf", null, config_json);
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defer std.heap.c_allocator.free(result_json);
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var parsed = try std.json.parseFromSlice(std.json.Value, allocator, result_json, .{});
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defer parsed.deinit();
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const root = parsed.value;
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if (root != .object) return;
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const stdout = std.io.getStdOut().writer();
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if (root.object.get("metadata")) |metadata_val| {
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if (metadata_val != .object) return;
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const metadata = metadata_val.object;
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if (metadata.get("title")) |title_val| {
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if (title_val == .string) {
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try stdout.print("Title: {s}\n", .{title_val.string});
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}
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}
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if (metadata.get("authors")) |authors_val| {
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if (authors_val == .array) {
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for (authors_val.array.items) |author| {
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if (author == .string) {
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try stdout.print("Author: {s}\n", .{author.string});
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}
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}
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}
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}
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if (metadata.get("language")) |language_val| {
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if (language_val == .string) {
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try stdout.print("Language: {s}\n", .{language_val.string});
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}
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}
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if (metadata.get("created_at")) |created_val| {
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if (created_val == .string) {
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try stdout.print("Created: {s}\n", .{created_val.string});
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}
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}
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if (metadata.get("pages")) |pages_val| {
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if (pages_val == .object) {
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if (pages_val.object.get("total_count")) |total_val| {
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if (total_val == .integer) {
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try stdout.print("Pages: {d}\n", .{total_val.integer});
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}
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}
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}
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}
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}
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}
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```
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