wehub-resource-sync
358 lines
9.8 KiB
JSON
358 lines
9.8 KiB
JSON
{
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"$schema": "http://json-schema.org/draft-07/schema#",
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"$id": "https://raw.githubusercontent.com/opendataloader-project/opendataloader-pdf/main/schema.json",
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"title": "OpenDataLoader PDF Output",
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"description": "JSON output schema for OpenDataLoader PDF conversion",
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"type": "object",
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"required": ["file name", "number of pages", "author", "title", "creation date", "modification date", "kids"],
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"properties": {
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"file name": {
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"type": "string",
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"description": "Name of the processed PDF"
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},
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"number of pages": {
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"type": "integer",
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"description": "Total page count"
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},
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"author": {
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"type": ["string", "null"],
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"description": "PDF author metadata"
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},
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"title": {
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"type": ["string", "null"],
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"description": "PDF title metadata"
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},
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"creation date": {
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"type": ["string", "null"],
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"description": "PDF creation timestamp"
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},
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"modification date": {
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"type": ["string", "null"],
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"description": "PDF modification timestamp"
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},
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"kids": {
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"type": "array",
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"description": "Top-level content elements (per page)",
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"items": {
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"$ref": "#/$defs/contentElement"
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}
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}
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},
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"$defs": {
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"boundingBox": {
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"type": "array",
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"description": "Bounding box coordinates [left, bottom, right, top]",
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"items": {
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"type": "number"
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},
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"minItems": 4,
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"maxItems": 4
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},
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"baseElement": {
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"type": "object",
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"properties": {
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"type": {
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"type": "string",
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"description": "Element type"
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},
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"id": {
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"type": "integer",
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"description": "Unique content identifier"
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},
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"level": {
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"type": "string",
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"description": "Heading or structural level"
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},
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"page number": {
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"type": "integer",
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"description": "Page containing the element (1-indexed)"
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},
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"bounding box": {
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"$ref": "#/$defs/boundingBox"
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}
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},
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"required": ["type", "page number", "bounding box"]
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},
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"textProperties": {
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"type": "object",
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"properties": {
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"font": {
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"type": "string",
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"description": "Font name"
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},
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"font size": {
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"type": "number",
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"description": "Font size"
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},
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"text color": {
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"type": "string",
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"description": "RGB color as string array"
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},
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"content": {
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"type": "string",
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"description": "Raw text value"
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},
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"hidden text": {
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"type": "boolean",
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"description": "Whether this is hidden text (e.g., OCR layer)"
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}
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},
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"required": ["font", "font size", "text color", "content"]
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},
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"contentElement": {
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"oneOf": [
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{ "$ref": "#/$defs/paragraph" },
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{ "$ref": "#/$defs/heading" },
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{ "$ref": "#/$defs/caption" },
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{ "$ref": "#/$defs/table" },
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{ "$ref": "#/$defs/textBlock" },
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{ "$ref": "#/$defs/list" },
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{ "$ref": "#/$defs/image" },
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{ "$ref": "#/$defs/headerFooter" }
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]
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},
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"paragraph": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{ "$ref": "#/$defs/textProperties" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "paragraph" }
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}
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}
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]
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},
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"heading": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{ "$ref": "#/$defs/textProperties" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "heading" },
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"heading level": {
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"type": "integer",
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"minimum": 1,
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"description": "Heading level (e.g., 1 for h1)"
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}
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},
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"required": ["heading level"]
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}
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]
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},
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"caption": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{ "$ref": "#/$defs/textProperties" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "caption" },
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"linked content id": {
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"type": "integer",
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"description": "ID of the linked content element (table, image, etc.)"
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}
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}
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}
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]
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},
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"table": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "table" },
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"number of rows": {
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"type": "integer",
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"description": "Row count"
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},
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"number of columns": {
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"type": "integer",
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"description": "Column count"
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},
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"previous table id": {
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"type": "integer",
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"description": "Linked table identifier (if broken across pages)"
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},
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"next table id": {
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"type": "integer",
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"description": "Linked table identifier"
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},
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"rows": {
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"type": "array",
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"description": "Row objects",
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"items": { "$ref": "#/$defs/tableRow" }
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}
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},
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"required": ["number of rows", "number of columns", "rows"]
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}
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]
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},
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"tableRow": {
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"type": "object",
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"properties": {
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"type": { "const": "table row" },
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"row number": {
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"type": "integer",
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"description": "Row index (1-indexed)"
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},
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"cells": {
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"type": "array",
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"description": "Cell objects",
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"items": { "$ref": "#/$defs/tableCell" }
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}
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},
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"required": ["type", "row number", "cells"]
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},
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"tableCell": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "table cell" },
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"row number": {
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"type": "integer",
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"description": "Row index of the cell (1-indexed)"
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},
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"column number": {
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"type": "integer",
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"description": "Column index of the cell (1-indexed)"
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},
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"row span": {
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"type": "integer",
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"minimum": 1,
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"description": "Number of rows spanned"
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},
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"column span": {
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"type": "integer",
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"minimum": 1,
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"description": "Number of columns spanned"
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},
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"kids": {
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"type": "array",
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"description": "Nested content elements",
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"items": { "$ref": "#/$defs/contentElement" }
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}
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},
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"required": ["row number", "column number", "row span", "column span", "kids"]
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}
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]
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},
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"textBlock": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "text block" },
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"kids": {
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"type": "array",
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"description": "Text block children",
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"items": { "$ref": "#/$defs/contentElement" }
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}
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},
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"required": ["kids"]
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}
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]
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},
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"list": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "list" },
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"numbering style": {
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"type": "string",
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"description": "Marker style (ordered, bullet, etc.)"
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},
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"number of list items": {
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"type": "integer",
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"description": "Item count"
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},
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"previous list id": {
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"type": "integer",
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"description": "Linked list identifier"
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},
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"next list id": {
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"type": "integer",
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"description": "Linked list identifier"
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},
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"list items": {
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"type": "array",
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"description": "Item nodes",
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"items": { "$ref": "#/$defs/listItem" }
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}
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},
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"required": ["numbering style", "number of list items", "list items"]
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}
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]
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},
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"listItem": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{ "$ref": "#/$defs/textProperties" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "list item" },
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"kids": {
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"type": "array",
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"description": "Nested content elements",
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"items": { "$ref": "#/$defs/contentElement" }
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}
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},
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"required": ["kids"]
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}
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]
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},
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"image": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{
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"type": "object",
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"properties": {
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"type": { "const": "image" },
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"source": {
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"type": "string",
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"description": "Relative path to the image file"
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},
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"data": {
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"type": "string",
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"description": "Base64 data URI (when embed-images is enabled)"
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},
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"format": {
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"type": "string",
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"description": "Image format (png, jpeg)",
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"enum": ["png", "jpeg"]
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}
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}
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}
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]
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},
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"headerFooter": {
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"allOf": [
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{ "$ref": "#/$defs/baseElement" },
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{
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"type": "object",
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"properties": {
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"type": {
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"type": "string",
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"enum": ["header", "footer"]
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},
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"kids": {
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"type": "array",
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"description": "Content elements within the header or footer",
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"items": { "$ref": "#/$defs/contentElement" }
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}
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},
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"required": ["kids"]
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}
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]
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}
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}
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}
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