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gecko-dev
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Added HTTP POST support for searching.

This commit is contained in:
rjc%netscape.com 1999-06-15 05:07:29 +00:00
Родитель 330ef6e11b
Коммит 44a53f5cf1
1 изменённых файлов: 154 добавлений и 45 удалений
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197
rdf/datasource/src/nsSearchDataSource.cpp
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@ -49,8 +49,11 @@
#include "nsEscape.h"
#include "nsIPostToServer.h"
#include "nsIURL.h"
#include "nsIBuffer.h"
#include "nsIInputStream.h"
#include "nsIBufferInputStream.h"
#include "nsIStreamListener.h"
#include "nsIRDFSearch.h"
@ -60,6 +63,9 @@
#endif
#define POSTHEADER_PREFIX "Content-type: application/x-www-form-urlencoded; charset=ISO-8859-1\r\nContent-Length: "
#define POSTHEADER_SUFFIX "\r\n\r\n"
static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
static NS_DEFINE_CID(kRDFInMemoryDataSourceCID, NS_RDFINMEMORYDATASOURCE_CID);
@ -85,6 +91,7 @@ private:
static nsIRDFResource *kNC_Relevance;
static nsIRDFResource *kNC_RelevanceSort;
static nsIRDFResource *kNC_Site;
static nsIRDFResource *kNC_Engine;
char *mLine;
@ -228,6 +235,7 @@ nsIRDFResource *SearchDataSourceCallback::kNC_Data;
nsIRDFResource *SearchDataSourceCallback::kNC_Relevance;
nsIRDFResource *SearchDataSourceCallback::kNC_RelevanceSort;
nsIRDFResource *SearchDataSourceCallback::kNC_Site;
nsIRDFResource *SearchDataSourceCallback::kNC_Engine;
nsIRDFResource *SearchDataSourceCallback::kNC_loading;
@ -767,16 +775,15 @@ SearchDataSource::BeginSearchRequest(nsIRDFResource *source)
engineArray->RemoveElementAt(0);
if (!basename) continue;
#ifdef DEBUG
printf("Search engine to query: '%s'\n", basename);
#endif
nsCOMPtr<nsIRDFResource> engine;
gRDFService->GetResource(basename, getter_AddRefs(engine));
delete [] basename;
basename = nsnull;
if (!engine) continue;
#ifdef DEBUG
printf("Search engine to query: '%s'\n", basename);
#endif
DoSearch(source, engine, text);
}
@ -854,34 +861,43 @@ SearchDataSource::DoSearch(nsIRDFResource *source, nsIRDFResource *engine, nsStr
// HTTP Get method support
action += "?";
action += input;
char *searchURL = action.ToNewCString();
if (searchURL)
{
#ifdef DEBUG
printf("Search GET URL: '%s'\n\n", searchURL);
#endif
nsIURL *url;
if (NS_SUCCEEDED(rv = NS_NewURL(&url, (const char*) searchURL)))
{
SearchDataSourceCallback *callback = new SearchDataSourceCallback(mInner, source, engine);
if (nsnull != callback)
{
rv = NS_OpenURL(url, NS_STATIC_CAST(nsIStreamListener *, callback));
}
}
delete [] searchURL;
searchURL = nsnull;
}
}
else if (method.EqualsIgnoreCase("post"))
char *searchURL = action.ToNewCString();
if (searchURL)
{
// HTTP Post method support
nsIURL *url;
if (NS_SUCCEEDED(rv = NS_NewURL(&url, (const char*) searchURL)))
{
if (method.EqualsIgnoreCase("post"))
{
// HTTP Post method support
nsCOMPtr<nsIPostToServer> pts = do_QueryInterface(url);
if (pts)
{
// construct post data to send
nsAutoString postStr(POSTHEADER_PREFIX);
postStr.Append(input.Length(), 10);
postStr += POSTHEADER_SUFFIX;
postStr += input;
char *postData = postStr.ToNewCString();
if (postData)
{
rv = pts->SendData(postData, (PRUint32)strlen(postData));
delete []postData;
postData = nsnull;
// XXX implement
#ifdef DEBUG
printf("\n **** HTTP POST method needs to be implemented! *****\n\n");
#endif
}
}
}
SearchDataSourceCallback *callback = new SearchDataSourceCallback(mInner, source, engine);
if (nsnull != callback)
{
rv = NS_OpenURL(url, NS_STATIC_CAST(nsIStreamListener *, callback));
}
}
delete [] searchURL;
searchURL = nsnull;
}
return(NS_OK);
}
@ -1289,6 +1305,7 @@ SearchDataSourceCallback::SearchDataSourceCallback(nsIRDFDataSource *ds, nsIRDFR
gRDFService->GetResource(NC_NAMESPACE_URI "Relevance", &kNC_Relevance);
gRDFService->GetResource(NC_NAMESPACE_URI "Relevance?sort=true", &kNC_RelevanceSort);
gRDFService->GetResource(NC_NAMESPACE_URI "Site", &kNC_Site);
gRDFService->GetResource(NC_NAMESPACE_URI "Engine", &kNC_Engine);
gRDFService->GetResource(NC_NAMESPACE_URI "loading", &kNC_loading);
}
}
@ -1315,6 +1332,7 @@ SearchDataSourceCallback::~SearchDataSourceCallback()
NS_RELEASE(kNC_Relevance);
NS_RELEASE(kNC_RelevanceSort);
NS_RELEASE(kNC_Site);
NS_RELEASE(kNC_Engine);
NS_RELEASE(kNC_loading);
}
}
@ -1331,6 +1349,11 @@ SearchDataSourceCallback::OnStartBinding(nsIURL *aURL, const char *aContentType)
nsAutoString trueStr("true");
nsIRDFLiteral *literal = nsnull;
nsresult rv;
#ifdef DEBUG
printf("SearchDataSourceCallback::OnStartBinding entered.\n");
#endif
if (NS_SUCCEEDED(rv = gRDFService->GetLiteral(trueStr.GetUnicode(), &literal)))
{
mDataSource->Assert(mParent, kNC_loading, literal, PR_TRUE);
@ -1363,12 +1386,24 @@ SearchDataSourceCallback::OnStopBinding(nsIURL* aURL, nsresult aStatus, const PR
nsAutoString trueStr("true");
nsIRDFLiteral *literal = nsnull;
nsresult rv;
#ifdef DEBUG
printf("SearchDataSourceCallback::OnStopBinding entered.\n");
#endif
if (NS_SUCCEEDED(rv = gRDFService->GetLiteral(trueStr.GetUnicode(), &literal)))
{
mDataSource->Unassert(mParent, kNC_loading, literal);
NS_RELEASE(literal);
}
if (!mLine) return(NS_OK);
if (!mLine)
{
#ifdef DEBUG
printf(" *** SearchDataSourceCallback::OnStopBinding: no data.\n\n");
#endif
return(NS_OK);
}
nsAutoString htmlResults(mLine);
delete [] mLine;
@ -1443,20 +1478,21 @@ SearchDataSourceCallback::OnStopBinding(nsIURL* aURL, nsresult aStatus, const PR
}
#endif
PRInt32 resultListStart = htmlResults.Find(resultListStartStr /* , PR_TRUE */);
if (resultListStart < 0)
if (resultListStartStr.Length() > 0)
{
#ifdef DEBUG
printf("*** Unable to find start of results list.\n");
#endif
return(NS_ERROR_UNEXPECTED);
PRInt32 resultListStart = htmlResults.Find(resultListStartStr /* , PR_TRUE */);
if (resultListStart >= 0)
{
htmlResults.Cut(0, resultListStart + resultListStartStr.Length());
}
}
htmlResults.Cut(0, resultListStart + resultListStartStr.Length());
PRInt32 resultListEnd = htmlResults.RFind(resultListEndStr, PR_TRUE);
if (resultListEnd >= 0)
if (resultListEndStr.Length() > 0)
{
htmlResults.Truncate(resultListEnd);
PRInt32 resultListEnd = htmlResults.RFind(resultListEndStr, PR_TRUE);
if (resultListEnd >= 0)
{
htmlResults.Truncate(resultListEnd);
}
}
#ifdef DEBUG
@ -1475,7 +1511,6 @@ SearchDataSourceCallback::OnStopBinding(nsIURL* aURL, nsresult aStatus, const PR
PRInt32 resultItemEnd = htmlResults.RFind(resultItemEndStr, PR_TRUE );
if (resultItemEnd < 0)
{
// break;
resultItemEnd = htmlResults.Length()-1;
}
if (resultItemStart >= resultItemEnd) break;
@ -1497,8 +1532,28 @@ SearchDataSourceCallback::OnStopBinding(nsIURL* aURL, nsresult aStatus, const PR
// look for href
// XXX need to make this more resilient
PRInt32 hrefOffset = resultItem.Find("<a href=", PR_TRUE);
if (hrefOffset < 0) continue;
PRInt32 hrefOffset = resultItem.Find("<a href=" /* , PR_TRUE */);
if (hrefOffset < 0)
{
hrefOffset = resultItem.Find("<A HREF=" /* , PR_TRUE */);
}
if (hrefOffset < 0)
{
#ifdef DEBUG
printf("***** unable to find <A HREF=\n");
printf("-------------------\n");
char *html = resultItem.ToNewCString();
if (html)
{
printf("%s\n", html);
delete []html;
html = nsnull;
}
printf("-------------------\n");
#endif
continue;
}
PRInt32 quoteStartOffset = resultItem.FindCharInSet("\"\'", hrefOffset);
if (quoteStartOffset < hrefOffset) continue;
PRInt32 quoteEndOffset = resultItem.FindCharInSet("\"\'", quoteStartOffset + 1);
@ -1589,6 +1644,22 @@ SearchDataSourceCallback::OnStopBinding(nsIURL* aURL, nsresult aStatus, const PR
nameStr.Insert(PRUnichar('\"'), quotOffset);
}
// munge any "&amp;" in name
PRInt32 ampOffset;
while ((ampOffset = nameStr.Find("&amp;", PR_TRUE)) >= 0)
{
nameStr.Cut(ampOffset, strlen("&amp;"));
nameStr.Insert(PRUnichar('&'), ampOffset);
}
// munge any "&nbsp;" in name
PRInt32 nbspOffset;
while ((nbspOffset = nameStr.Find("&nbsp;", PR_TRUE)) >= 0)
{
nameStr.Cut(nbspOffset, strlen("&nbsp;"));
nameStr.Insert(PRUnichar(' '), nbspOffset);
}
// munge out anything inside of HTML "<" / ">" tags
PRInt32 tagStartOffset;
while ((tagStartOffset = nameStr.FindCharInSet("<")) >= 0)
@ -1598,6 +1669,13 @@ SearchDataSourceCallback::OnStopBinding(nsIURL* aURL, nsresult aStatus, const PR
nameStr.Cut(tagStartOffset, tagEndOffset - tagStartOffset + 1);
}
// cut off anything after a CR or LF
PRInt32 eolOffset;
if ((eolOffset = nameStr.FindCharInSet("\n\r")) >= 0)
{
nameStr.Truncate(eolOffset);
}
if (nameStr.Length() > 0)
{
const PRUnichar *nameUni = nameStr.GetUnicode();
@ -1668,6 +1746,37 @@ SearchDataSourceCallback::OnStopBinding(nsIURL* aURL, nsresult aStatus, const PR
}
}
// set reference to engine this came from
nsAutoString engineStr;
if (NS_SUCCEEDED(rv = SearchDataSource::GetData(data, "search", "name", engineStr)))
{
const PRUnichar *engineUni = engineStr.GetUnicode();
nsCOMPtr<nsIRDFLiteral> engineLiteral;
if (NS_SUCCEEDED(rv = gRDFService->GetLiteral(engineUni, getter_AddRefs(engineLiteral))))
{
if (engineLiteral)
{
mDataSource->Assert(res, kNC_Engine, engineLiteral, PR_TRUE);
}
}
}
/*
char *engineURI = nsnull;
if (NS_SUCCEEDED(rv = mEngine->GetValue(&engineURI)))
{
nsAutoString engineStr(engineURI);
const PRUnichar *engineUni = engineStr.GetUnicode();
nsCOMPtr<nsIRDFLiteral> engineLiteral;
if (NS_SUCCEEDED(rv = gRDFService->GetLiteral(engineUni, getter_AddRefs(engineLiteral))))
{
if (engineLiteral)
{
mDataSource->Assert(res, kNC_Engine, engineLiteral, PR_TRUE);
}
}
}
*/
// Note: always add in parent-child relationship last!
rv = mDataSource->Assert(mParent, kNC_Child, res, PR_TRUE);
}