sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

geojson bounding box grammar - don't require "type": "Feature" to appear in particular order (ref #2745)

Browse source
This commit is contained in:
artemp 2015-03-27 10:32:52 +01:00
parent 8c93d05796
commit 51b65534f5
1 changed files with 23 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
include/mapnik/json/extract_bounding_box_grammar_impl.hpp
View file

@ -62,6 +62,7 @@ extract_bounding_box_grammar<Iterator, ErrorHandler>::extract_bounding_box_gramm
start = features(_r1) start = features(_r1)
; ;
features = iter_pos[_a = _1] >> -(lit('{') >> -lit("\"type\"") features = iter_pos[_a = _1] >> -(lit('{') >> -lit("\"type\"")
>> lit(':') >> lit("\"FeatureCollection\"") >> lit(':') >> lit("\"FeatureCollection\"")
>> *(lit(',') >> (json.key_value - lit("\"features\""))) >> *(lit(',') >> (json.key_value - lit("\"features\"")))
@ -69,45 +70,58 @@ extract_bounding_box_grammar<Iterator, ErrorHandler>::extract_bounding_box_gramm
>> lit(':')) >> lit(':'))
>> lit('[') >> (feature(_r1,_a) % lit(',')) >> lit(']') >> lit('[') >> (feature(_r1,_a) % lit(',')) >> lit(']')
; ;
feature = raw[lit('{')[_a = 1] >> lit("\"type\"") >> lit(':') >> lit("\"Feature\"")
>> *(eps(_a > 0) >> (lit('{')[_a += 1] feature = raw[lit('{')[_a = 1]
| >> *(eps(_a > 0) >> (lit('{')[_a += 1]
lit('}')[_a -=1] |
| lit('}')[_a -=1]
coords[_b = _1] |
| coords[_b = _1]
char_))][push_box(_r1, _r2, _b, _1)] |
char_))][push_box(_r1, _r2, _b, _1)]
; ;
coords = lit("\"coordinates\"") >> lit(':') >> (rings_array(_a) | rings (_a) | ring(_a) | pos[calculate_bounding_box(_a,_1)])[_val = _a]
coords = lit("\"coordinates\"")
>> lit(':') >> (rings_array(_a) | rings (_a) | ring(_a) | pos[calculate_bounding_box(_a,_1)])[_val = _a]
; ;
pos = lit('[') > -(double_ > lit(',') > double_) > omit[*(lit(',') > double_)] > lit(']') pos = lit('[') > -(double_ > lit(',') > double_) > omit[*(lit(',') > double_)] > lit(']')
; ;
ring = lit('[') >> pos[calculate_bounding_box(_r1,_1)] % lit(',') > lit(']') ring = lit('[') >> pos[calculate_bounding_box(_r1,_1)] % lit(',') > lit(']')
; ;
rings = lit('[') >> ring(_r1) % lit(',') > lit(']') rings = lit('[') >> ring(_r1) % lit(',') > lit(']')
; ;
rings_array = lit('[') >> rings(_r1) % lit(',') > lit(']') rings_array = lit('[') >> rings(_r1) % lit(',') > lit(']')
; ;
// generic json types // generic json types
json.value = json.object | json.array | json.string_ | json.number json.value = json.object | json.array | json.string_ | json.number
; ;
json.pairs = json.key_value % lit(',') json.pairs = json.key_value % lit(',')
; ;
json.key_value = (json.string_ >> lit(':') >> json.value) json.key_value = (json.string_ >> lit(':') >> json.value)
; ;
json.object = lit('{') >> *json.pairs >> lit('}') json.object = lit('{') >> *json.pairs >> lit('}')
; ;
json.array = lit('[') json.array = lit('[')
>> json.value >> *(lit(',') >> json.value) >> json.value >> *(lit(',') >> json.value)
>> lit(']') >> lit(']')
; ;
json.number = json.strict_double json.number = json.strict_double
| json.int__ | json.int__
| lit("true") | lit("true")
| lit("false") | lit("false")
| lit("null") | lit("null")
; ;
coords.name("Coordinates"); coords.name("Coordinates");
pos.name("Position"); pos.name("Position");
ring.name("Ring"); ring.name("Ring");