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annotate env/util/autoapi.lua @ 282:7f41f3c44fae

Changes in policy admin interface for core 2.0
author bsw
date Fri Feb 17 10:20:26 2012 +0100 (2012-02-17)
parents 733f65c0c0a0
children
rev   line source
bsw@51 1 function util.autoapi_xml(args)
bsw@75 2 local relation_name = assert(args.relation_name)
bsw@51 3 local selector = assert(args.selector)
bsw@51 4 local fields = assert(args.fields)
bsw@51 5 local rows = selector:exec()
bsw@75 6 slot.set_layout("xml", "application/xml")
bsw@75 7 slot.put("<", relation_name, "_list>\n")
bsw@51 8 for i_row, row in ipairs(rows) do
bsw@75 9 slot.put(" <", relation_name, ">\n")
bsw@51 10 for i_field, field in ipairs(fields) do
bsw@51 11 slot.put(" <", field.name, ">")
bsw@51 12 local value
bsw@51 13 if field.func then
bsw@51 14 value = field.func(row)
bsw@51 15 elseif field.field then
bsw@51 16 value = row[field.name]
bsw@51 17 end
bsw/jbe@52 18 if value ~= nil then
bsw@51 19 slot.put(encode.html(tostring(value)))
bsw/jbe@52 20 else
bsw/jbe@52 21 slot.put("NULL")
bsw@51 22 end
bsw@51 23 slot.put("</", field.name, ">\n")
bsw@51 24 end
bsw@75 25 slot.put(" </", relation_name, ">\n")
bsw@51 26 end
bsw@75 27 slot.put("</", relation_name, "_list>\n")
bsw@51 28 end
bsw@51 29
bsw@51 30 function util.autoapi_json(args)
bsw@75 31 slot.set_layout("blank", "application/json")
bsw@51 32 local selector = assert(args.selector)
bsw@51 33 local fields = assert(args.fields)
bsw@51 34 local rows = selector:exec()
bsw@75 35 slot.put("[\n")
bsw@51 36 for i_row, row in ipairs(rows) do
bsw@51 37 slot.put(" {\n")
bsw@51 38 for i_field, field in ipairs(fields) do
bsw@75 39 slot.put(" \"", field.name, "\": ")
bsw@51 40 local value
bsw@51 41 if field.func then
bsw@51 42 value = field.func(row)
bsw@51 43 elseif field.field then
bsw@51 44 value = row[field.name]
bsw@51 45 end
bsw@75 46 slot.put(encode.json(value))
bsw@75 47 if i_field < #fields then
bsw@75 48 slot.put(",")
bsw@75 49 end
bsw@75 50 slot.put("\n")
bsw@51 51 end
bsw@75 52 slot.put(" }")
bsw@75 53 if i_row < #rows then
bsw@75 54 slot.put(",")
bsw@75 55 end
bsw@75 56 slot.put("\n")
bsw@51 57 end
bsw@75 58 slot.put("]\n")
bsw@51 59 end
bsw@51 60
bsw@51 61 function util.autoapi(args)
bsw@75 62 local relation_name = assert(args.relation_name)
bsw@51 63 local selector = assert(args.selector)
bsw@51 64 local fields = assert(args.fields)
bsw@51 65 local api_engine = assert(args.api_engine)
bsw@51 66
bsw@51 67 selector:reset_fields()
bsw@51 68
bsw@51 69 for i_field, field in ipairs(fields) do
bsw@51 70 if field.field then
bsw@51 71 selector:add_field(field.field, field.name)
bsw@51 72 end
bsw@51 73 end
bsw@51 74
bsw@51 75 if api_engine == "xml" then
bsw@51 76 util.autoapi_xml{
bsw@75 77 relation_name = relation_name,
bsw@51 78 selector = selector,
bsw@51 79 fields = fields
bsw@51 80 }
bsw@51 81 elseif api_engine == "json" then
bsw@51 82 util.autoapi_json{
bsw@51 83 selector = selector,
bsw@51 84 fields = fields
bsw@51 85 }
bsw@51 86 end
bsw@51 87
bsw@51 88 end

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