void read(boost::ptr_vector<geometry_type> & paths)
{
int type = read_integer();
#ifdef MAPNIK_LOG
MAPNIK_LOG_DEBUG(wkb_reader) << "wkb_reader: Read=" << wkb_geometry_type_string(type) << "," << type;
#endif
switch (type)
{
case wkbPoint:
read_point(paths);
break;
case wkbLineString:
read_linestring(paths);
break;
case wkbPolygon:
read_polygon(paths);
break;
case wkbMultiPoint:
read_multipoint(paths);
break;
case wkbMultiLineString:
read_multilinestring(paths);
break;
case wkbMultiPolygon:
read_multipolygon(paths);
break;
case wkbGeometryCollection:
read_collection(paths);
break;
case wkbPointZ:
read_point_xyz(paths);
break;
case wkbLineStringZ:
read_linestring_xyz(paths);
break;
case wkbPolygonZ:
read_polygon_xyz(paths);
break;
case wkbMultiPointZ:
read_multipoint_xyz(paths);
break;
case wkbMultiLineStringZ:
read_multilinestring_xyz(paths);
break;
case wkbMultiPolygonZ:
read_multipolygon_xyz(paths);
break;
case wkbGeometryCollectionZ:
read_collection(paths);
break;
default:
break;
}
}
void read(boost::ptr_vector<geometry_type> & paths)
{
int type = read_integer();
switch (type)
{
case wkbPoint:
read_point(paths);
break;
case wkbLineString:
read_linestring(paths);
break;
case wkbPolygon:
read_polygon(paths);
break;
case wkbMultiPoint:
read_multipoint(paths);
break;
case wkbMultiLineString:
read_multilinestring(paths);
break;
case wkbMultiPolygon:
read_multipolygon(paths);
break;
case wkbGeometryCollection:
read_collection(paths);
break;
case wkbPointZ:
read_point_xyz(paths);
break;
case wkbLineStringZ:
read_linestring_xyz(paths);
break;
case wkbPolygonZ:
read_polygon_xyz(paths);
break;
case wkbMultiPointZ:
read_multipoint_xyz(paths);
break;
case wkbMultiLineStringZ:
read_multilinestring_xyz(paths);
break;
case wkbMultiPolygonZ:
read_multipolygon_xyz(paths);
break;
case wkbGeometryCollectionZ:
read_collection(paths);
break;
default:
break;
}
}
static bool
read_blank(SerdReader* reader, ReadContext ctx, bool subject, Ref* dest, bool* ate_dot)
{
const SerdStatementFlags old_flags = *ctx.flags;
bool empty;
switch (peek_byte(reader)) {
case '_':
return (*dest = read_BLANK_NODE_LABEL(reader, ate_dot));
case '[':
eat_byte_safe(reader, '[');
if ((empty = peek_delim(reader, ']'))) {
*ctx.flags |= (subject) ? SERD_EMPTY_S : SERD_EMPTY_O;
} else {
*ctx.flags |= (subject) ? SERD_ANON_S_BEGIN : SERD_ANON_O_BEGIN;
if (peek_delim(reader, '=')) {
if (!(*dest = read_blankName(reader)) ||
!eat_delim(reader, ';')) {
return false;
}
}
}
if (!*dest) {
*dest = blank_id(reader);
}
if (ctx.subject) {
TRY_RET(emit_statement(reader, ctx, *dest, 0, 0));
}
ctx.subject = *dest;
if (!empty) {
*ctx.flags &= ~(SERD_LIST_CONT);
if (!subject) {
*ctx.flags |= SERD_ANON_CONT;
}
bool ate_dot_in_list = false;
read_predicateObjectList(reader, ctx, &ate_dot_in_list);
if (ate_dot_in_list) {
return r_err(reader, SERD_ERR_BAD_SYNTAX, "`.' inside blank\n");
}
read_ws_star(reader);
if (reader->end_sink) {
reader->end_sink(reader->handle, deref(reader, *dest));
}
*ctx.flags = old_flags;
}
return (eat_byte_check(reader, ']') == ']');
case '(':
return read_collection(reader, ctx, dest);
default: return false; // never reached
}
}
ReaderCollection
ReaderMapping::read_collection(const char* key) const
{
if (!m_impl)
{
return {};
}
{
ReaderCollection result;
read_collection(key, result);
return result;
}
}
static Ref
read_subject(SerdReader* reader, ReadContext ctx, bool* nested)
{
Ref subject = 0;
bool ate_dot = false;
switch (peek_byte(reader)) {
case '[':
*nested = true;
read_anon(reader, ctx, true, &subject);
break;
case '(':
*nested = true;
read_collection(reader, ctx, &subject);
break;
case '_':
*nested = false;
subject = read_BLANK_NODE_LABEL(reader, &ate_dot);
break;
default:
read_iri(reader, &subject, &ate_dot);
}
return ate_dot ? pop_node(reader, subject) : subject;
}
mapnik::geometry::geometry<double> read()
{
mapnik::geometry::geometry<double> geom = mapnik::geometry::geometry_empty();
int type = read_integer();
switch (type)
{
case wkbPoint:
geom = std::move(read_point());
break;
case wkbLineString:
geom = std::move(read_linestring());
break;
case wkbPolygon:
geom = std::move(read_polygon());
break;
case wkbMultiPoint:
geom = std::move(read_multipoint());
break;
case wkbMultiLineString:
geom = std::move(read_multilinestring());
break;
case wkbMultiPolygon:
geom = std::move(read_multipolygon());
break;
case wkbGeometryCollection:
geom = std::move(read_collection());
break;
case wkbPointZ:
case wkbPointM:
geom = std::move(read_point<true>());
break;
case wkbPointZM:
geom = std::move(read_point<true,true>());
break;
case wkbLineStringZ:
case wkbLineStringM:
geom = std::move(read_linestring<true>());
break;
case wkbLineStringZM:
geom = std::move(read_linestring<true,true>());
break;
case wkbPolygonZ:
case wkbPolygonM:
geom = std::move(read_polygon<true>());
break;
case wkbPolygonZM:
geom = std::move(read_polygon<true,true>());
break;
case wkbMultiPointZ:
case wkbMultiPointM:
geom = std::move(read_multipoint<true>());
break;
case wkbMultiPointZM:
geom = std::move(read_multipoint<true,true>());
break;
case wkbMultiLineStringZ:
case wkbMultiLineStringM:
geom = std::move(read_multilinestring<true>());
break;
case wkbMultiLineStringZM:
geom = std::move(read_multilinestring<true,true>());
break;
case wkbMultiPolygonZ:
case wkbMultiPolygonM:
geom = std::move(read_multipolygon<true>());
break;
case wkbMultiPolygonZM:
geom = std::move(read_multipolygon<true,true>());
break;
case wkbGeometryCollectionZ:
case wkbGeometryCollectionM:
case wkbGeometryCollectionZM:
geom = std::move(read_collection());
break;
default:
break;
}
return geom;
}
// Recurses, calling statement_sink for every statement encountered.
// Leaves stack in original calling state (i.e. pops everything it pushes).
static bool
read_object(SerdReader* reader, ReadContext ctx, bool* ate_dot)
{
static const char* const XSD_BOOLEAN = NS_XSD "boolean";
static const size_t XSD_BOOLEAN_LEN = 40;
#ifndef NDEBUG
const size_t orig_stack_size = reader->stack.size;
#endif
bool ret = false;
bool emit = (ctx.subject != 0);
SerdNode* node = NULL;
Ref o = 0;
Ref datatype = 0;
Ref lang = 0;
uint32_t flags = 0;
const uint8_t c = peek_byte(reader);
switch (c) {
case '\0':
case ')':
return false;
case '[':
emit = false;
TRY_THROW(ret = read_anon(reader, ctx, false, &o));
break;
case '(':
emit = false;
TRY_THROW(ret = read_collection(reader, ctx, &o));
break;
case '_':
TRY_THROW(ret = (o = read_BLANK_NODE_LABEL(reader, ate_dot)));
break;
case '<': case ':':
TRY_THROW(ret = read_iri(reader, &o, ate_dot));
break;
case '+': case '-': case '.': case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7': case '8': case '9':
TRY_THROW(ret = read_number(reader, &o, &datatype, ate_dot));
break;
case '\"':
case '\'':
TRY_THROW(ret = read_literal(reader, &o, &datatype, &lang, &flags, ate_dot));
break;
default:
/* Either a boolean literal, or a qname. Read the prefix first, and if
it is in fact a "true" or "false" literal, produce that instead.
*/
node = deref(reader, o = push_node(reader, SERD_CURIE, "", 0));
while (read_PN_CHARS_BASE(reader, o)) {}
if ((node->n_bytes == 4 && !memcmp(node->buf, "true", 4)) ||
(node->n_bytes == 5 && !memcmp(node->buf, "false", 5))) {
node->type = SERD_LITERAL;
datatype = push_node(
reader, SERD_URI, XSD_BOOLEAN, XSD_BOOLEAN_LEN);
ret = true;
} else if (read_PN_PREFIX_tail(reader, o) > SERD_FAILURE) {
ret = false;
} else {
ret = read_PrefixedName(reader, o, false, ate_dot);
}
}
if (ret && emit) {
deref(reader, o)->flags = flags;
ret = emit_statement(reader, ctx, o, datatype, lang);
}
except:
pop_node(reader, lang);
pop_node(reader, datatype);
pop_node(reader, o);
#ifndef NDEBUG
assert(reader->stack.size == orig_stack_size);
#endif
return ret;
}
