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authorLars Thorsen <lars@erlang.org>2011-08-10 10:22:44 +0200
committerLars Thorsen <lars@erlang.org>2011-09-26 11:03:37 +0200
commit8cb06dd34e0febc6a147ca4a3d9775ad3baade83 (patch)
treeeab876b6e2b0b78e98df7217d15bcd2212d5fd4b
parentabc8c8c9c18eaaec117f737389ed190e206c67f1 (diff)
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[xmerl] Fix streaming bug in xmerl_scan (Thanks to Simon Cornish)
-rw-r--r--lib/xmerl/src/xmerl_scan.erl21
-rw-r--r--lib/xmerl/src/xmerl_xsd.erl6
-rw-r--r--lib/xmerl/test/xmerl_SUITE.erl23
3 files changed, 37 insertions, 13 deletions
diff --git a/lib/xmerl/src/xmerl_scan.erl b/lib/xmerl/src/xmerl_scan.erl
index e598c5f56d..25c6547497 100644
--- a/lib/xmerl/src/xmerl_scan.erl
+++ b/lib/xmerl/src/xmerl_scan.erl
@@ -2074,10 +2074,10 @@ scan_element(T, S, Pos, Name, StartL, StartC, Attrs, Lang, Parents,
{AttName, NamespaceInfo, T1, S1} = scan_name(T, S),
{T2, S2} = scan_eq(T1, S1),
{AttType,_DefaultDecl} = get_att_type(S2,AttName,Name),
- {AttValue, T3, S3,IsNorm} = scan_att_value(T2, S2, AttType),
+ {AttValue, T3a, S3a,IsNorm} = scan_att_value(T2, S2, AttType),
%% check_default_value(S3,DefaultDecl,AttValue),
NewNS = check_namespace(AttName, NamespaceInfo, AttValue, NS),
- wfc_whitespace_betw_attrs(hd(T3),S3),
+ {T3,S3} = wfc_whitespace_betw_attrs(T3a,S3a),
?strip4,
AttrPos = case Attrs of
[] ->
@@ -3284,12 +3284,17 @@ wfc_legal_char(Ch,S) ->
end.
-wfc_whitespace_betw_attrs(WS,_S) when ?whitespace(WS) ->
- ok;
-wfc_whitespace_betw_attrs($/,_S) ->
- ok;
-wfc_whitespace_betw_attrs($>,_S) ->
- ok;
+wfc_whitespace_betw_attrs([WS |_]=L,S) when ?whitespace(WS) ->
+ {L,S};
+wfc_whitespace_betw_attrs([$/ |_]=L,S) ->
+ {L,S};
+wfc_whitespace_betw_attrs([$> |_]=L,S) ->
+ {L,S};
+wfc_whitespace_betw_attrs([],S=#xmerl_scanner{continuation_fun = F}) ->
+ ?dbg("cont()...~n", []),
+ F(fun(MoreBytes, S1) -> wfc_whitespace_betw_attrs(MoreBytes, S1) end,
+ fun(S1) -> ?fatal(unexpected_end, S1) end,
+ S);
wfc_whitespace_betw_attrs(_,S) ->
?fatal({whitespace_required_between_attributes},S).
diff --git a/lib/xmerl/src/xmerl_xsd.erl b/lib/xmerl/src/xmerl_xsd.erl
index 50c0a79016..dfdc6138ef 100644
--- a/lib/xmerl/src/xmerl_xsd.erl
+++ b/lib/xmerl/src/xmerl_xsd.erl
@@ -355,9 +355,9 @@ initiate_state(Opts,Schema) ->
XSDBase = filename:dirname(Schema),
{{state,S},RestOpts}=new_state(Opts),
S2 = create_tables(S),
- S3 = initiate_state2(S2#xsd_state{schema_name = Schema, xsd_base=XSDBase,
- fetch_fun = fun fetch/2},
- RestOpts).
+ initiate_state2(S2#xsd_state{schema_name = Schema, xsd_base=XSDBase,
+ fetch_fun = fun fetch/2},
+ RestOpts).
initiate_state2(S,[]) ->
S;
diff --git a/lib/xmerl/test/xmerl_SUITE.erl b/lib/xmerl/test/xmerl_SUITE.erl
index 0c809dbcb6..94c38d4d48 100644
--- a/lib/xmerl/test/xmerl_SUITE.erl
+++ b/lib/xmerl/test/xmerl_SUITE.erl
@@ -58,7 +58,7 @@ groups() ->
{ticket_tests, [],
[ticket_5998, ticket_7211, ticket_7214, ticket_7430,
ticket_6873, ticket_7496, ticket_8156, ticket_8697,
- ticket_9411]},
+ ticket_9411, ticket_9457]},
{app_test, [], [{xmerl_app_test, all}]},
{appup_test, [], [{xmerl_appup_test, all}]}].
@@ -588,7 +588,26 @@ ticket_9411(Config) ->
?line {E, _} = xmerl_scan:string(Xml),
?line {E, _} = xmerl_xsd:validate(E, Schema).
-
+ticket_9457(suite) -> [];
+ticket_9457(doc) ->
+ ["Test that xmerl_scan handles continuation correct when current input runs out at the end of an attribute value"];
+ticket_9457(Config) ->
+ Opts = [{continuation_fun, fun ticket_9457_cont/3, start}, {space, normalize}],
+ ?line {E, _} = xmerl_scan:string([], Opts).
+
+ticket_9457_cont(Continue, Exception, GlobalState) ->
+ case xmerl_scan:cont_state(GlobalState) of
+ start ->
+ G1 = xmerl_scan:cont_state(next, GlobalState),
+ Bytes = "<?xml version=\"1.0\" ?>\r\n<item a=\"b\"",
+ Continue(Bytes, G1);
+ next ->
+ G1 = xmerl_scan:cont_state(last, GlobalState),
+ Bytes = ">blah</item>\r\n",
+ Continue(Bytes, G1);
+ _ ->
+ Exception(GlobalState)
+ end.
%%======================================================================
%% Support Functions