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gobyexample/vendor/pygments/tests/examplefiles/json.lasso
Mark McGranaghan 8d31ec147c move to vendor
2012-11-17 08:21:42 -08:00

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<?LassoScript
//
// JSON Encoding and Decoding
//
// Copyright 2007-2012 LassoSoft Inc.
//
// <http://json.org/>
// <http://json-rpc.org/>
// <http://www.ietf.org/rfc/rfc4627.txt?number=4627>
//
If: (Lasso_TagExists: 'Encode_JSON') == False;
Define_Tag: 'JSON', -Namespace='Encode_', -Required='value', -Optional='options';
Local: 'escapes' = Map('\\' = '\\', '"' = '"', '\r' = 'r', '\n' = 'n', '\t' = 't', '\f' = 'f', '\b' = 'b');
Local: 'output' = '';
Local: 'newoptions' = (Array: -Internal);
If: !(Local_Defined: 'options') || (#options->(IsA: 'array') == False);
Local: 'options' = (Array);
/If;
If: (#options >> -UseNative) || (Params >> -UseNative);
#newoptions->(Insert: -UseNative);
/If;
If: (#options >> -NoNative) || (Params >> -NoNative);
#newoptions->(Insert: -NoNative);
/If;
If: (#options !>> -UseNative) && ((#value->(IsA: 'set')) || (#value->(IsA: 'list')) || (#value->(IsA: 'queue')) || (#value->(IsA: 'priorityqueue')) || (#value->(IsA: 'stack')));
#output += (Encode_JSON: Array->(insertfrom: #value->iterator) &, -Options=#newoptions);
Else: (#options !>> -UseNative) && (#value->(IsA: 'pair'));
#output += (Encode_JSON: (Array: #value->First, #value->Second));
Else: (#options !>> -Internal) && (#value->(Isa: 'array') == False) && (#value->(IsA: 'map') == False);
#output += '[' + (Encode_JSON: #value, -Options=#newoptions) + ']';
Else: (#value->(IsA: 'literal'));
#output += #value;
Else: (#value->(IsA: 'string'));
#output += '"';
Loop: (#value->Length);
Local('character' = #value->(Get: Loop_Count));
#output->(Append:
(Match_RegExp('[\\x{0020}-\\x{21}\\x{23}-\\x{5b}\\x{5d}-\\x{10fff}]') == #character) ? #character |
'\\' + (#escapes->(Contains: #character) ? #escapes->(Find: #character) | 'u' + String(Encode_Hex(#character))->PadLeading(4, '0')&)
);
/Loop;
#output += '"';
Else: (#value->(IsA: 'integer')) || (#value->(IsA: 'decimal')) || (#value->(IsA: 'boolean'));
#output += (String: #value);
Else: (#value->(IsA: 'null'));
#output += 'null';
Else: (#value->(IsA: 'date'));
If: #value->gmt;
#output += '"' + #value->(format: '%QT%TZ') + '"';
Else;
#output += '"' + #value->(format: '%QT%T') + '"';
/If;
Else: (#value->(IsA: 'array'));
#output += '[';
Iterate: #value, (Local: 'temp');
#output += (Encode_JSON: #temp, -Options=#newoptions);
If: #value->Size != Loop_Count;
#output += ', ';
/If;
/Iterate;
#output += ']';
Else: (#value->(IsA: 'object'));
#output += '{';
Iterate: #value, (Local: 'temp');
#output += #temp->First + ': ' + (Encode_JSON: #temp->Second, -Options=#newoptions);
If: (#value->Size != Loop_Count);
#output += ', ';
/If;
/Iterate;
#output += '}';
Else: (#value->(IsA: 'map'));
#output += '{';
Iterate: #value, (Local: 'temp');
#output += (Encode_JSON: #temp->First, -Options=#newoptions) + ': ' + (Encode_JSON: #temp->Second, -Options=#newoptions);
If: (#value->Size != Loop_Count);
#output += ', ';
/If;
/Iterate;
#output += '}';
Else: (#value->(IsA: 'client_ip')) || (#value->(IsA: 'client_address'));
#output += (Encode_JSON: (String: #value), -Options=#newoptions);
Else: (#options !>> -UseNative) && (#value->(IsA: 'set')) || (#value->(IsA: 'list')) || (#value->(IsA: 'queue')) || (#value->(IsA: 'priorityqueue')) || (#value->(IsA: 'stack'));
#output += (Encode_JSON: Array->(insertfrom: #value->iterator) &, -Options=#newoptions);
Else: (#options !>> -NoNative);
#output += (Encode_JSON: (Map: '__jsonclass__'=(Array:'deserialize',(Array:'<LassoNativeType>' + #value->Serialize + '</LassoNativeType>'))));
/If;
Return: @#output;
/Define_Tag;
/If;
If: (Lasso_TagExists: 'Decode_JSON') == False;
Define_Tag: 'JSON', -Namespace='Decode_', -Required='value';
(#value == '') ? Return: Null;
Define_Tag: 'consume_string', -Required='ibytes';
Local: 'unescapes' = (map: 34 = '"', 92 = '\\', 98 = '\b', 102 = '\f', 110 = '\n', 114 = '\r', 116 = '\t');
Local: 'temp' = 0, 'obytes' = Bytes;
While: ((#temp := #ibytes->export8bits) != 34); // '"'
If: (#temp === 92); // '\'
#temp = #ibytes->export8bits;
If: (#temp === 117); // 'u'
#obytes->(ImportString: (Decode_Hex: (String: #ibytes->(GetRange: #ibytes->Position + 1, 4)))->(ExportString: 'UTF-16'), 'UTF-8');
#ibytes->(SetPosition: #ibytes->Position + 4);
Else;
If: (#unescapes->(Contains: #temp));
#obytes->(ImportString: #unescapes->(Find: #temp), 'UTF-8');
Else;
#obytes->(Import8Bits: #temp);
/If;
/If;
Else;
#obytes->(Import8Bits: #temp);
/If;
/While;
Local('output' = #obytes->(ExportString: 'UTF-8'));
If: #output->(BeginsWith: '<LassoNativeType>') && #output->(EndsWith: '</LassoNativeType>');
Local: 'temp' = #output - '<LassoNativeType>' - '</LassoNativeType>';
Local: 'output' = null;
Protect;
#output->(Deserialize: #temp);
/Protect;
Else: (Valid_Date: #output, -Format='%QT%TZ');
Local: 'output' = (Date: #output, -Format='%QT%TZ');
Else: (Valid_Date: #output, -Format='%QT%T');
Local: 'output' = (Date: #output, -Format='%QT%T');
/If;
Return: @#output;
/Define_Tag;
Define_Tag: 'consume_token', -Required='ibytes', -required='temp';
Local: 'obytes' = bytes->(import8bits: #temp) &;
local: 'delimit' = (array: 9, 10, 13, 32, 44, 58, 93, 125); // \t\r\n ,:]}
While: (#delimit !>> (#temp := #ibytes->export8bits));
#obytes->(import8bits: #temp);
/While;
Local: 'output' = (String: #obytes);
If: (#output == 'true') || (#output == 'false');
Return: (Boolean: #output);
Else: (#output == 'null');
Return: Null;
Else: (String_IsNumeric: #output);
Return: (#output >> '.') ? (Decimal: #output) | (Integer: #output);
/If;
Return: @#output;
/Define_Tag;
Define_Tag: 'consume_array', -Required='ibytes';
Local: 'output' = array;
local: 'delimit' = (array: 9, 10, 13, 32, 44); // \t\r\n ,
local: 'temp' = 0;
While: ((#temp := #ibytes->export8bits) != 93); // ]
If: (#delimit >> #temp);
// Discard whitespace
Else: (#temp == 34); // "
#output->(insert: (consume_string: @#ibytes));
Else: (#temp == 91); // [
#output->(insert: (consume_array: @#ibytes));
Else: (#temp == 123); // {
#output->(insert: (consume_object: @#ibytes));
Else;
#output->(insert: (consume_token: @#ibytes, @#temp));
(#temp == 93) ? Loop_Abort;
/If;
/While;
Return: @#output;
/Define_Tag;
Define_Tag: 'consume_object', -Required='ibytes';
Local: 'output' = map;
local: 'delimit' = (array: 9, 10, 13, 32, 44); // \t\r\n ,
local: 'temp' = 0;
local: 'key' = null;
local: 'val' = null;
While: ((#temp := #ibytes->export8bits) != 125); // }
If: (#delimit >> #temp);
// Discard whitespace
Else: (#key !== null) && (#temp == 34); // "
#output->(insert: #key = (consume_string: @#ibytes));
#key = null;
Else: (#key !== null) && (#temp == 91); // [
#output->(insert: #key = (consume_array: @#ibytes));
#key = null;
Else: (#key !== null) && (#temp == 123); // {
#output->(insert: #key = (consume_object: @#ibytes));
#key = null;
Else: (#key !== null);
#output->(insert: #key = (consume_token: @#ibytes, @#temp));
(#temp == 125) ? Loop_abort;
#key = null;
Else;
#key = (consume_string: @#ibytes);
while(#delimit >> (#temp := #ibytes->export8bits));
/while;
#temp != 58 ? Loop_Abort;
/If;
/While;
If: (#output >> '__jsonclass__') && (#output->(Find: '__jsonclass__')->(isa: 'array')) && (#output->(Find: '__jsonclass__')->size >= 2) && (#output->(Find: '__jsonclass__')->First == 'deserialize');
Return: #output->(find: '__jsonclass__')->Second->First;
Else: (#output >> 'native') && (#output >> 'comment') && (#output->(find: 'comment') == 'http://www.lassosoft.com/json');
Return: #output->(find: 'native');
/If;
Return: @#output;
/Define_Tag;
Local: 'ibytes' = (bytes: #value);
Local: 'start' = 1;
#ibytes->removeLeading(BOM_UTF8);
Local: 'temp' = #ibytes->export8bits;
If: (#temp == 91); // [
Local: 'output' = (consume_array: @#ibytes);
Return: @#output;
Else: (#temp == 123); // {
Local: 'output' = (consume_object: @#ibytes);
Return: @#output;
/If;
/Define_Tag;
/If;
If: (Lasso_TagExists: 'Literal') == False;
Define_Type: 'Literal', 'String';
/Define_Type;
/If;
If: (Lasso_TagExists: 'Object') == False;
Define_Type: 'Object', 'Map';
/Define_Type;
/If;
If: (Lasso_TagExists: 'JSON_RPCCall') == False;
Define_Tag: 'RPCCall', -Namespace='JSON_',
-Required='method',
-Optional='params',
-Optional='id',
-Optional='host';
!(Local_Defined: 'host') ? Local: 'host' = 'http://localhost/lassoapps.8/rpc/rpc.lasso';
!(Local_Defined: 'id') ? Local: 'id' = Lasso_UniqueID;
Local: 'request' = (Map: 'method' = #method, 'params' = #params, 'id' = #id);
Local: 'request' = (Encode_JSON: #request);
Local: 'result' = (Include_URL: #host, -PostParams=#request);
Local: 'result' = (Decode_JSON: #result);
Return: @#result;
/Define_Tag;
/If;
If: (Lasso_TagExists: 'JSON_Records') == False;
Define_Tag: 'JSON_Records',
-Optional='KeyField',
-Optional='ReturnField',
-Optional='ExcludeField',
-Optional='Fields';
Local: '_fields' = (Local_Defined: 'fields') && #fields->(IsA: 'array') ? #fields | Field_Names;
Fail_If: #_fields->size == 0, -1, 'No fields found for [JSON_Records]';
Local: '_keyfield' = (Local: 'keyfield');
If: #_fields !>> #_keyfield;
Local: '_keyfield' = (KeyField_Name);
If: #_fields !>> #_keyfield;
Local: '_keyfield' = 'ID';
If: #_fields !>> #_keyfield;
Local: '_keyfield' = #_fields->First;
/If;
/If;
/If;
Local: '_index' = #_fields->(FindPosition: #_keyfield)->First;
Local: '_return' = (Local_Defined: 'returnfield') ? (Params->(Find: -ReturnField)->(ForEach: {Params->First = Params->First->Second; Return: True}) &) | @#_fields;
Local: '_exclude' = (Local_Defined: 'excludefield') ? (Params->(Find: -ExcludeField)->(ForEach: {Params->First = Params->First->Second; Return: True}) &) | Array;
Local: '_records' = Array;
Iterate: Records_Array, (Local: '_record');
Local: '_temp' = Map;
Iterate: #_fields, (Local: '_field');
((#_return >> #_field) && (#_exclude !>> #_field)) ? #_temp->Insert(#_field = #_record->(Get: Loop_Count));
/Iterate;
#_records->Insert(#_temp);
/Iterate;
Local: '_output' = (Encode_JSON: (Object: 'error_msg'=Error_Msg, 'error_code'=Error_Code, 'found_count'=Found_Count, 'keyfield'=#_keyfield, 'rows'=#_records));
Return: @#_output;
/Define_Tag;
/If;
?>
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