Jacek Caban : scrobj: Add beginning scriptlet parser implementation.
Module: wine Branch: master Commit: f2fdbc3d86a8f282bff023411c74ed4a95fe44cd URL: https://source.winehq.org/git/wine.git/?a=commit;h=f2fdbc3d86a8f282bff023411... Author: Jacek Caban <jacek(a)codeweavers.com> Date: Thu Sep 19 17:28:44 2019 +0200 scrobj: Add beginning scriptlet parser implementation. Signed-off-by: Jacek Caban <jacek(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/scrobj/Makefile.in | 2 +- dlls/scrobj/scrobj.c | 150 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 151 insertions(+), 1 deletion(-) diff --git a/dlls/scrobj/Makefile.in b/dlls/scrobj/Makefile.in index b6965c635a..15a4032401 100644 --- a/dlls/scrobj/Makefile.in +++ b/dlls/scrobj/Makefile.in @@ -1,5 +1,5 @@ MODULE = scrobj.dll -IMPORTS = uuid ole32 oleaut32 advapi32 +IMPORTS = uuid urlmon ole32 oleaut32 xmllite advapi32 EXTRADLLFLAGS = -mno-cygwin diff --git a/dlls/scrobj/scrobj.c b/dlls/scrobj/scrobj.c index 87c073eb46..2bc746a179 100644 --- a/dlls/scrobj/scrobj.c +++ b/dlls/scrobj/scrobj.c @@ -27,6 +27,7 @@ #include "initguid.h" #include "scrobj.h" +#include "xmllite.h" #include "wine/debug.h" #include "wine/heap.h" @@ -38,7 +39,11 @@ static HINSTANCE scrobj_instance; struct scriptlet_factory { IClassFactory IClassFactory_iface; + LONG ref; + + IXmlReader *xml_reader; + IMoniker *moniker; }; typedef enum tid_t @@ -116,6 +121,139 @@ static void release_typelib(void) ITypeLib_Release(typelib); } +static const char *debugstr_xml_name(struct scriptlet_factory *factory) +{ + const WCHAR *str; + UINT len; + HRESULT hres; + hres = IXmlReader_GetLocalName(factory->xml_reader, &str, &len); + if (FAILED(hres)) return "#err"; + return debugstr_wn(str, len); +} + +static HRESULT next_xml_node(struct scriptlet_factory *factory, XmlNodeType *node_type) +{ + HRESULT hres; + do hres = IXmlReader_Read(factory->xml_reader, node_type); + while (hres == S_OK && *node_type == XmlNodeType_Whitespace); + return hres; +} + +static BOOL is_xml_name(struct scriptlet_factory *factory, const WCHAR *name) +{ + const WCHAR *qname; + UINT len; + HRESULT hres; + hres = IXmlReader_GetQualifiedName(factory->xml_reader, &qname, &len); + return hres == S_OK && len == wcslen(name) && !memcmp(qname, name, len * sizeof(WCHAR)); +} + +static HRESULT expect_no_attributes(struct scriptlet_factory *factory) +{ + UINT count; + HRESULT hres; + hres = IXmlReader_GetAttributeCount(factory->xml_reader, &count); + if (FAILED(hres)) return hres; + if (!count) return S_OK; + FIXME("Unexpected attributes\n"); + return E_FAIL; +} + +static HRESULT parse_scriptlet_registration(struct scriptlet_factory *factory) +{ + FIXME("\n"); + return E_NOTIMPL; +} + +static HRESULT parse_scriptlet_public(struct scriptlet_factory *factory) +{ + FIXME("\n"); + return E_NOTIMPL; +} + +static HRESULT parse_scriptlet_script(struct scriptlet_factory *factory) +{ + FIXME("\n"); + return E_NOTIMPL; +} + +static HRESULT parse_scriptlet_file(struct scriptlet_factory *factory, const WCHAR *url) +{ + XmlNodeType node_type; + IBindCtx *bind_ctx; + IStream *stream; + HRESULT hres; + + hres = CreateURLMoniker(NULL, url, &factory->moniker); + if (FAILED(hres)) + { + WARN("CreateURLMoniker failed: %08x\n", hres); + return hres; + } + + hres = CreateBindCtx(0, &bind_ctx); + if(FAILED(hres)) + return hres; + + hres = IMoniker_BindToStorage(factory->moniker, bind_ctx, NULL, &IID_IStream, (void**)&stream); + IBindCtx_Release(bind_ctx); + if (FAILED(hres)) + return hres; + + hres = CreateXmlReader(&IID_IXmlReader, (void**)&factory->xml_reader, NULL); + if(SUCCEEDED(hres)) + hres = IXmlReader_SetInput(factory->xml_reader, (IUnknown*)stream); + IStream_Release(stream); + if (FAILED(hres)) + return hres; + + hres = next_xml_node(factory, &node_type); + if (hres == S_OK && node_type == XmlNodeType_XmlDeclaration) + hres = next_xml_node(factory, &node_type); + + if (node_type != XmlNodeType_Element || !is_xml_name(factory, L"component")) + { + FIXME("Unexpected %s element\n", debugstr_xml_name(factory)); + return E_FAIL; + } + + hres = expect_no_attributes(factory); + if (FAILED(hres)) return hres; + + for (;;) + { + hres = next_xml_node(factory, &node_type); + if (FAILED(hres)) return hres; + if (node_type == XmlNodeType_EndElement) break; + if (node_type != XmlNodeType_Element) + { + FIXME("Unexpected node type %u\n", node_type); + return E_FAIL; + } + + if (is_xml_name(factory, L"registration")) + hres = parse_scriptlet_registration(factory); + else if (is_xml_name(factory, L"public")) + hres = parse_scriptlet_public(factory); + else if (is_xml_name(factory, L"script")) + hres = parse_scriptlet_script(factory); + else + { + FIXME("Unexpected element %s\n", debugstr_xml_name(factory)); + return E_NOTIMPL; + } + if (FAILED(hres)) return hres; + } + + hres = next_xml_node(factory, &node_type); + if (hres != S_FALSE) + { + FIXME("Unexpected node type %u\n", node_type); + return E_FAIL; + } + return S_OK; +} + static inline struct scriptlet_factory *impl_from_IClassFactory(IClassFactory *iface) { return CONTAINING_RECORD(iface, struct scriptlet_factory, IClassFactory_iface); @@ -164,7 +302,11 @@ static ULONG WINAPI scriptlet_factory_Release(IClassFactory *iface) TRACE("(%p) ref=%d\n", This, ref); if (!ref) + { + if (This->moniker) IMoniker_Release(This->moniker); + if (This->xml_reader) IXmlReader_Release(This->xml_reader); heap_free(This); + } return ref; } @@ -194,6 +336,7 @@ static const struct IClassFactoryVtbl scriptlet_factory_vtbl = static HRESULT create_scriptlet_factory(const WCHAR *url, struct scriptlet_factory **ret) { struct scriptlet_factory *factory; + HRESULT hres; TRACE("%s\n", debugstr_w(url)); @@ -206,6 +349,13 @@ static HRESULT create_scriptlet_factory(const WCHAR *url, struct scriptlet_facto factory->IClassFactory_iface.lpVtbl = &scriptlet_factory_vtbl; factory->ref = 1; + hres = parse_scriptlet_file(factory, url); + if (FAILED(hres)) + { + IClassFactory_Release(&factory->IClassFactory_iface); + return hres; + } + *ret = factory; return S_OK; }
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Alexandre Julliard