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teal-src/util/datamapper.tl @ 12133:11060c8919b6

util.datamapper: Add support for $ref pointers Allows reuse of repetitive definitions in schemas.

author	Kim Alvefur <zash@zash.se>
date	Wed, 29 Dec 2021 17:57:09 +0100
parent	11481:b2f9782497dd
child	12580:a9dbf657c894

rev	line source
11450 25829015917c util.datamapper: Add Copyright header Kim Alvefur <zash@zash.se> parents: 11439 diff changeset	1 -- Copyright (C) 2021 Kim Alvefur
25829015917c util.datamapper: Add Copyright header Kim Alvefur <zash@zash.se> parents: 11439 diff changeset	2 --
25829015917c util.datamapper: Add Copyright header Kim Alvefur <zash@zash.se> parents: 11439 diff changeset	3 -- This project is MIT/X11 licensed. Please see the
25829015917c util.datamapper: Add Copyright header Kim Alvefur <zash@zash.se> parents: 11439 diff changeset	4 -- COPYING file in the source package for more information.
25829015917c util.datamapper: Add Copyright header Kim Alvefur <zash@zash.se> parents: 11439 diff changeset	5 --
11451 ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	6 -- Based on
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	7 -- https://json-schema.org/draft/2020-12/json-schema-core.html
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	8 -- https://json-schema.org/draft/2020-12/json-schema-validation.html
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	9 -- http://spec.openapis.org/oas/v3.0.1#xmlObject
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	10 -- https://github.com/OAI/OpenAPI-Specification/issues/630 (text:true)
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	11 --
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	12 -- XML Object Extensions:
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	13 -- text to refer to the text content at the same time as attributes
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	14 -- x_name_is_value for enum fields where the <tag-name/> is the value
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	15 -- x_single_attribute for <tag attr="this"/>
ee4f2296e7df util.datamapper: Add references with notes Kim Alvefur <zash@zash.se> parents: 11450 diff changeset	16 --
11452 c799bac7ca59 util.datamapper: Some TODOs Kim Alvefur <zash@zash.se> parents: 11451 diff changeset	17 -- TODO pointers
c799bac7ca59 util.datamapper: Some TODOs Kim Alvefur <zash@zash.se> parents: 11451 diff changeset	18 -- TODO cleanup / refactor
11459 86904555bffc teal: Use new integer support in Teal 0.13.0 Kim Alvefur <zash@zash.se> parents: 11458 diff changeset	19 -- TODO s/number/integer/ once we have appropriate math.type() compat
11452 c799bac7ca59 util.datamapper: Some TODOs Kim Alvefur <zash@zash.se> parents: 11451 diff changeset	20 --
11450 25829015917c util.datamapper: Add Copyright header Kim Alvefur <zash@zash.se> parents: 11439 diff changeset	21
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	22 local st = require "util.stanza";
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	23 local json = require"util.json"
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	24 local pointer = require"util.jsonpointer";
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	25
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	26 local json_type_name = json.json_type_name;
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	27 local json_schema_object = require "util.jsonschema"
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	28 local type schema_t = boolean \| json_type_name \| json_schema_object
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	29
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	30 local function toboolean ( s : string ) : boolean
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	31 if s == "true" or s == "1" then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	32 return true
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	33 elseif s == "false" or s == "0" then
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	34 return false
11455 a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	35 elseif s then
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	36 return true
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	37 end
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	38 end
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	39
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	40 local function totype(t : json_type_name, s : string) : any
11479 377a9eaf7bef util.datamapper: Fix error on attempt to coerce nil to something Kim Alvefur <zash@zash.se> parents: 11476 diff changeset	41 if not s then return nil end
11455 a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	42 if t == "string" then
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	43 return s;
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	44 elseif t == "boolean" then
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	45 return toboolean(s)
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	46 elseif t == "number" or t == "integer" then
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	47 return tonumber(s)
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	48 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	49 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	50
11454 1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	51 local enum value_goes
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	52 "in_tag_name"
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	53 "in_text"
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	54 "in_text_tag"
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	55 "in_attribute"
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	56 "in_single_attribute"
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	57 "in_children"
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	58 "in_wrapper"
11454 1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	59 end
1d9c1893cc5e util.datamapper: Use enum instead of mutually exclusive booleans Kim Alvefur <zash@zash.se> parents: 11453 diff changeset	60
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	61 local function resolve_schema(schema : schema_t, root : json_schema_object) : schema_t
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	62 if schema is json_schema_object and schema["$ref"] and schema["$ref"]:sub(1, 1) == "#" then
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	63 local referenced = pointer.resolve(root as table, schema["$ref"]:sub(2)) as schema_t;
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	64 if referenced ~= nil then
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	65 return referenced
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	66 end
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	67 end
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	68 return schema;
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	69 end
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	70
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	71 local function unpack_propschema( propschema : schema_t, propname : string, current_ns : string )
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	72 : json_type_name, value_goes, string, string, string, string, { any }
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	73 local proptype : json_type_name = "string"
11466 c098d07e6717 util.datamapper: Finally implement support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11465 diff changeset	74 local value_where : value_goes = propname and "in_text_tag" or "in_text"
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	75 local name = propname
11476 83e127eb91f9 util.datamapper: Deal with locally built stanzas missing xmlns Kim Alvefur <zash@zash.se> parents: 11475 diff changeset	76 local namespace : string
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	77 local prefix : string
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	78 local single_attribute : string
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	79 local enums : { any }
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	80
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	81 if propschema is json_schema_object then
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	82 proptype = propschema.type
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	83 elseif propschema is json_type_name then
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	84 proptype = propschema
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	85 end
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	86
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	87 if proptype == "object" or proptype == "array" then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	88 value_where = "in_children"
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	89 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	90
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	91 if propschema is json_schema_object then
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	92 local xml = propschema.xml
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	93 if xml then
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	94 if xml.name then
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	95 name = xml.name
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	96 end
11476 83e127eb91f9 util.datamapper: Deal with locally built stanzas missing xmlns Kim Alvefur <zash@zash.se> parents: 11475 diff changeset	97 if xml.namespace and xml.namespace ~= current_ns then
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	98 namespace = xml.namespace
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	99 end
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	100 if xml.prefix then
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	101 prefix = xml.prefix
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	102 end
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	103 if proptype == "array" and xml.wrapped then
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	104 value_where = "in_wrapper"
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	105 elseif xml.attribute then
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	106 value_where = "in_attribute"
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	107 elseif xml.text then
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	108 value_where = "in_text"
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	109 elseif xml.x_name_is_value then
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	110 value_where = "in_tag_name"
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	111 elseif xml.x_single_attribute then
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	112 single_attribute = xml.x_single_attribute
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	113 value_where = "in_single_attribute"
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	114 end
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	115 end
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	116 if propschema["const"] then
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	117 enums = { propschema["const"] }
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	118 elseif propschema["enum"] then
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	119 enums = propschema["enum"]
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	120 end
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	121 end
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	122
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	123 return proptype, value_where, name, namespace, prefix, single_attribute, enums
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	124 end
4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	125
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	126 local parse_object : function (schema : schema_t, s : st.stanza_t, root : json_schema_object) : { string : any }
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	127 local parse_array : function (schema : schema_t, s : st.stanza_t, root : json_schema_object) : { any }
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	128
11465 19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	129 local function extract_value (s : st.stanza_t, value_where : value_goes, proptype : json.json_type_name, name : string, namespace : string, prefix : string, single_attribute : string, enums : { any }) : string
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	130 if value_where == "in_tag_name" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	131 local c : st.stanza_t
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	132 if proptype == "boolean" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	133 c = s:get_child(name, namespace);
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	134 elseif enums and proptype == "string" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	135 -- XXX O(n²) ?
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	136 -- Probably better to flip the table and loop over :childtags(nil, ns), should be 2xO(n)
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	137 -- BUT works first, optimize later
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	138 for i = 1, #enums do
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	139 c = s:get_child(enums[i] as string, namespace);
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	140 if c then break end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	141 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	142 else
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	143 c = s:get_child(nil, namespace);
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	144 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	145 if c then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	146 return c.name;
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	147 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	148 elseif value_where == "in_attribute" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	149 local attr = name
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	150 if prefix then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	151 attr = prefix .. ':' .. name
11476 83e127eb91f9 util.datamapper: Deal with locally built stanzas missing xmlns Kim Alvefur <zash@zash.se> parents: 11475 diff changeset	152 elseif namespace and namespace ~= s.attr.xmlns then
11465 19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	153 attr = namespace .. "\1" .. name
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	154 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	155 return s.attr[attr]
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	156
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	157 elseif value_where == "in_text" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	158 return s:get_text()
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	159
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	160 elseif value_where == "in_single_attribute" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	161 local c = s:get_child(name, namespace)
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	162 return c and c.attr[single_attribute]
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	163 elseif value_where == "in_text_tag" then
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	164 return s:get_child_text(name, namespace)
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	165 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	166 end
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	167
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	168 function parse_object (schema : schema_t, s : st.stanza_t, root : json_schema_object) : { string : any }
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	169 local out : { string : any } = {}
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	170 schema = resolve_schema(schema, root)
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	171 if schema is json_schema_object and schema.properties then
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	172 for prop, propschema in pairs(schema.properties) do
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	173 propschema = resolve_schema(propschema, root)
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	174
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	175 local proptype, value_where, name, namespace, prefix, single_attribute, enums = unpack_propschema(propschema, prop, s.attr.xmlns)
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	176
11465 19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	177 if value_where == "in_children" and propschema is json_schema_object then
11455 a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	178 if proptype == "object" then
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	179 local c = s:get_child(name, namespace)
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	180 if c then
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	181 out[prop] = parse_object(propschema, c, root);
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	182 end
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	183 elseif proptype == "array" then
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	184 local a = parse_array(propschema, s, root);
11481 b2f9782497dd util.datamapper: Don't include empty unwrapped arrays Kim Alvefur <zash@zash.se> parents: 11479 diff changeset	185 if a and a[1] ~= nil then
b2f9782497dd util.datamapper: Don't include empty unwrapped arrays Kim Alvefur <zash@zash.se> parents: 11479 diff changeset	186 out[prop] = a;
b2f9782497dd util.datamapper: Don't include empty unwrapped arrays Kim Alvefur <zash@zash.se> parents: 11479 diff changeset	187 end
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	188 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	189 error "unreachable"
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	190 end
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	191 elseif value_where == "in_wrapper" and propschema is json_schema_object and proptype == "array" then
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	192 local wrapper = s:get_child(name, namespace);
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	193 if wrapper then
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	194 out[prop] = parse_array(propschema, wrapper, root);
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	195 end
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	196 else
11465 19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	197 local value : string = extract_value (s, value_where, proptype, name, namespace, prefix, single_attribute, enums)
19a88b61ab4e util.datamapper: Factor out extraction of the XML part to use Kim Alvefur <zash@zash.se> parents: 11464 diff changeset	198
11455 a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	199 out[prop] = totype(proptype, value)
a5050e21ab08 util.datamapper: Separate extraction of xml from coercion to target type Kim Alvefur <zash@zash.se> parents: 11454 diff changeset	200 end
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	201 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	202 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	203
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	204 return out
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	205 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	206
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	207 function parse_array (schema : json_schema_object, s : st.stanza_t, root : json_schema_object) : { any }
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	208 local itemschema : schema_t = resolve_schema(schema.items, root);
11471 ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	209 local proptype, value_where, child_name, namespace, prefix, single_attribute, enums = unpack_propschema(itemschema, nil, s.attr.xmlns)
11466 c098d07e6717 util.datamapper: Finally implement support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11465 diff changeset	210 local attr_name : string
c098d07e6717 util.datamapper: Finally implement support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11465 diff changeset	211 if value_where == "in_single_attribute" then -- FIXME this shouldn't be needed
c098d07e6717 util.datamapper: Finally implement support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11465 diff changeset	212 value_where = "in_attribute";
c098d07e6717 util.datamapper: Finally implement support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11465 diff changeset	213 attr_name = single_attribute;
c098d07e6717 util.datamapper: Finally implement support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11465 diff changeset	214 end
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	215 local out : { any } = {}
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	216
11471 ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	217 if proptype == "object" then
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	218 if itemschema is json_schema_object then
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	219 for c in s:childtags(child_name, namespace) do
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	220 table.insert(out, parse_object(itemschema, c, root));
11471 ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	221 end
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	222 else
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	223 error "array items must be schema object"
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	224 end
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	225 elseif proptype == "array" then
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	226 if itemschema is json_schema_object then
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	227 for c in s:childtags(child_name, namespace) do
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	228 table.insert(out, parse_array(itemschema, c, root));
11471 ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	229 end
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	230 end
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	231 else
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	232 for c in s:childtags(child_name, namespace) do
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	233 local value : string = extract_value (c, value_where, proptype, attr_name or child_name, namespace, prefix, single_attribute, enums)
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	234
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	235 table.insert(out, totype(proptype, value));
ab03de8e503e util.datamapper: Handle nested arrays or objects in arrays Kim Alvefur <zash@zash.se> parents: 11470 diff changeset	236 end
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	237 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	238 return out;
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	239 end
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	240
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	241 local function parse (schema : json_schema_object, s : st.stanza_t) : table
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	242 if schema.type == "object" then
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	243 return parse_object(schema, s, schema)
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	244 elseif schema.type == "array" then
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	245 return parse_array(schema, s, schema)
11457 6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	246 else
6a51749af7f4 util.datamapper: Add initial support for parsing arrays Kim Alvefur <zash@zash.se> parents: 11456 diff changeset	247 error "top-level scalars unsupported"
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	248 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	249 end
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	250
11475 9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	251 local function toxmlstring(proptype : json_type_name, v : any) : string
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	252 if proptype == "string" and v is string then
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	253 return v
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	254 elseif proptype == "number" and v is number then
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	255 return string.format("%g", v)
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	256 elseif proptype == "integer" and v is number then -- TODO is integer
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	257 return string.format("%d", v)
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	258 elseif proptype == "boolean" then
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	259 return v and "1" or "0"
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	260 end
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	261 end
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	262
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	263 local unparse : function (json_schema_object, table, string, string, st.stanza_t, json_schema_object) : st.stanza_t
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	264
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	265 local function unparse_property(out : st.stanza_t, v : any, proptype : json_type_name, propschema : schema_t, value_where : value_goes, name : string, namespace : string, current_ns : string, prefix : string, single_attribute : string, root : json_schema_object)
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	266
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	267 if value_where == "in_attribute" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	268 local attr = name
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	269 if prefix then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	270 attr = prefix .. ':' .. name
11476 83e127eb91f9 util.datamapper: Deal with locally built stanzas missing xmlns Kim Alvefur <zash@zash.se> parents: 11475 diff changeset	271 elseif namespace and namespace ~= current_ns then
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	272 attr = namespace .. "\1" .. name
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	273 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	274
11475 9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	275 out.attr[attr] = toxmlstring(proptype, v)
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	276 elseif value_where == "in_text" then
11475 9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	277 out:text(toxmlstring(proptype, v))
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	278 elseif value_where == "in_single_attribute" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	279 assert(single_attribute)
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	280 local propattr : { string : string } = {}
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	281
11476 83e127eb91f9 util.datamapper: Deal with locally built stanzas missing xmlns Kim Alvefur <zash@zash.se> parents: 11475 diff changeset	282 if namespace and namespace ~= current_ns then
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	283 propattr.xmlns = namespace
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	284 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	285
11475 9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	286 propattr[single_attribute] = toxmlstring(proptype, v)
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	287 out:tag(name, propattr):up();
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	288
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	289 else
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	290 local propattr : { string : string }
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	291 if namespace ~= current_ns then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	292 propattr = { xmlns = namespace }
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	293 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	294 if value_where == "in_tag_name" then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	295 if proptype == "string" and v is string then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	296 out:tag(v, propattr):up();
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	297 elseif proptype == "boolean" and v == true then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	298 out:tag(name, propattr):up();
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	299 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	300 elseif proptype == "object" and propschema is json_schema_object and v is table then
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	301 local c = unparse(propschema, v, name, namespace, nil, root);
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	302 if c then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	303 out:add_direct_child(c);
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	304 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	305 elseif proptype == "array" and propschema is json_schema_object and v is table then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	306 if value_where == "in_wrapper" then
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	307 local c = unparse(propschema, v, name, namespace, nil, root);
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	308 if c then
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	309 out:add_direct_child(c);
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	310 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	311 else
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	312 unparse(propschema, v, name, namespace, out, root);
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	313 end
11475 9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	314 else
9bd36e871f05 util.datamapper: Factor out conversion from any value to XML string Kim Alvefur <zash@zash.se> parents: 11471 diff changeset	315 out:text_tag(name, toxmlstring(proptype, v), propattr)
11467 88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	316 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	317 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	318 end
88792dd2bee9 util.datamapper: Factor out handling of object properties for array reuse Kim Alvefur <zash@zash.se> parents: 11466 diff changeset	319
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	320 function unparse ( schema : json_schema_object, t : table, current_name : string, current_ns : string, ctx : st.stanza_t, root : json_schema_object ) : st.stanza_t
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	321
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	322 if root == nil then root = schema end
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	323
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	324 if schema.xml then
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	325 if schema.xml.name then
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	326 current_name = schema.xml.name
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	327 end
11461 766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	328 if schema.xml.namespace then
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	329 current_ns = schema.xml.namespace
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	330 end
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	331 -- TODO prefix?
766b0eddd12c util.datamapper: Deal with type name changes in util.jsonschema Kim Alvefur <zash@zash.se> parents: 11459 diff changeset	332 end
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	333
11462 d1982b7eb00d util.datamapper: Fix arrays nesting one level too deep Kim Alvefur <zash@zash.se> parents: 11461 diff changeset	334 local out = ctx or st.stanza(current_name, { xmlns = current_ns })
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	335
11458 0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings Kim Alvefur <zash@zash.se> parents: 11457 diff changeset	336 if schema.type == "object" then
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings Kim Alvefur <zash@zash.se> parents: 11457 diff changeset	337
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	338 for prop, propschema in pairs(schema.properties) do
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	339 propschema = resolve_schema(propschema, root)
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	340 local v = t[prop]
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	341
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	342 if v ~= nil then
11456 4e376a43fe40 util.datamapper: Factor out common schema unpacking Kim Alvefur <zash@zash.se> parents: 11455 diff changeset	343 local proptype, value_where, name, namespace, prefix, single_attribute = unpack_propschema(propschema, prop, current_ns)
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	344 unparse_property(out, v, proptype, propschema, value_where, name, namespace, current_ns, prefix, single_attribute, root)
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	345 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	346 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	347 return out;
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	348
11458 0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings Kim Alvefur <zash@zash.se> parents: 11457 diff changeset	349 elseif schema.type == "array" then
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	350 local itemschema = resolve_schema(schema.items, root)
11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	351 local proptype, value_where, name, namespace, prefix, single_attribute = unpack_propschema(itemschema, current_name, current_ns)
11468 348b191cd850 util.datamapper: Complete array building support Kim Alvefur <zash@zash.se> parents: 11467 diff changeset	352 for _, item in ipairs(t as { string }) do
12133 11060c8919b6 util.datamapper: Add support for $ref pointers Kim Alvefur <zash@zash.se> parents: 11481 diff changeset	353 unparse_property(out, item, proptype, itemschema, value_where, name, namespace, current_ns, prefix, single_attribute, root)
11458 0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings Kim Alvefur <zash@zash.se> parents: 11457 diff changeset	354 end
0e00fa518688 util.datamapper: Limited support for unparsing simple arrays of strings Kim Alvefur <zash@zash.se> parents: 11457 diff changeset	355 return out;
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	356 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	357 end
5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	358
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	359 return {
a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	360 parse = parse,
11436 5df9ffc25bb4 util.datamapper: Add 'unparse' for turning tables into XML Kim Alvefur <zash@zash.se> parents: 11435 diff changeset	361 unparse = unparse,
11435 a1fa6202fa13 util.datamapper: Library for extracting data from stanzas Kim Alvefur <zash@zash.se> parents: diff changeset	362 }

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11060c8919b6

teal-src/util/datamapper.tl

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teal-src/util/datamapper.tl @ 12133:11060c8919b6

Software `/` code `/` prosody