/usr/include/thunderbird/nsMsgUtils.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _NSMSGUTILS_H
#define _NSMSGUTILS_H
#include "nsIURL.h"
#include "nsStringGlue.h"
#include "msgCore.h"
#include "nsCOMPtr.h"
#include "MailNewsTypes2.h"
#include "nsTArray.h"
#include "nsIInterfaceRequestor.h"
#include "nsILoadGroup.h"
#include "nsISupportsArray.h"
#include "nsIAtom.h"
#include "nsINetUtil.h"
#include "nsServiceManagerUtils.h"
#include "nsUnicharUtils.h"
#include "nsIFile.h"
class nsIChannel;
class nsIFile;
class nsIPrefBranch;
class nsIMsgFolder;
class nsIMsgMessageService;
class nsIUrlListener;
class nsIOutputStream;
class nsIInputStream;
class nsIMsgDatabase;
class nsIMutableArray;
class nsIProxyInfo;
class nsIMsgWindow;
class nsISupportsArray;
class nsIStreamListener;
#define MSGS_URL "chrome://messenger/locale/messenger.properties"
//These are utility functions that can used throughout the mailnews code
NS_MSG_BASE nsresult GetMessageServiceContractIDForURI(const char *uri, nsCString &contractID);
NS_MSG_BASE nsresult GetMessageServiceFromURI(const nsACString& uri, nsIMsgMessageService **aMessageService);
NS_MSG_BASE nsresult GetMsgDBHdrFromURI(const char *uri, nsIMsgDBHdr **msgHdr);
NS_MSG_BASE nsresult CreateStartupUrl(const char *uri, nsIURI** aUrl);
NS_MSG_BASE nsresult NS_MsgGetPriorityFromString(
const char * const priority,
nsMsgPriorityValue & outPriority);
NS_MSG_BASE nsresult NS_MsgGetPriorityValueString(
const nsMsgPriorityValue p,
nsACString & outValueString);
NS_MSG_BASE nsresult NS_MsgGetUntranslatedPriorityName(
const nsMsgPriorityValue p,
nsACString & outName);
NS_MSG_BASE nsresult NS_MsgHashIfNecessary(nsAutoString &name);
NS_MSG_BASE nsresult NS_MsgHashIfNecessary(nsAutoCString &name);
NS_MSG_BASE nsresult FormatFileSize(int64_t size, bool useKB, nsAString &formattedSize);
/**
* given a folder uri, return the path to folder in the user profile directory.
*
* @param aFolderURI uri of folder we want the path to, without the scheme
* @param[out] aPathString result path string
* @param aScheme scheme of the uri
* @param[optional] aIsNewsFolder is this a news folder?
*/
NS_MSG_BASE nsresult
NS_MsgCreatePathStringFromFolderURI(const char *aFolderURI,
nsCString& aPathString,
const nsCString &aScheme,
bool aIsNewsFolder=false);
/**
* Given a string and a length, removes any "Re:" strings from the front.
* It also deals with that dumbass "Re[2]:" thing that some losing mailers do.
*
* If mailnews.localizedRe is set, it will also remove localized "Re:" strings.
*
* @return true if it made a change (in which case the caller should look to
* modifiedSubject for the result) and false otherwise (in which
* case the caller should look at stringp/length for the result)
*
* @note In the case of a true return value, the string is not altered:
* the pointer to its head is merely advanced, and the length
* correspondingly decreased.
*
* @note This API is insane and should be fixed.
*/
NS_MSG_BASE bool NS_MsgStripRE(const char **stringP, uint32_t *lengthP, char **modifiedSubject=nullptr);
NS_MSG_BASE char * NS_MsgSACopy(char **destination, const char *source);
NS_MSG_BASE char * NS_MsgSACat(char **destination, const char *source);
NS_MSG_BASE nsresult NS_MsgEscapeEncodeURLPath(const nsAString& aStr,
nsCString& aResult);
NS_MSG_BASE nsresult NS_MsgDecodeUnescapeURLPath(const nsACString& aPath,
nsAString& aResult);
NS_MSG_BASE bool WeAreOffline();
// Check if a folder with aFolderUri exists
NS_MSG_BASE nsresult GetExistingFolder(const nsCString& aFolderURI, nsIMsgFolder **aFolder);
// Escape lines starting with "From ", ">From ", etc. in a buffer.
NS_MSG_BASE nsresult EscapeFromSpaceLine(nsIOutputStream *ouputStream, char *start, const char *end);
NS_MSG_BASE bool IsAFromSpaceLine(char *start, const char *end);
NS_MSG_BASE nsresult NS_GetPersistentFile(const char *relPrefName,
const char *absPrefName,
const char *dirServiceProp, // Can be NULL
bool& gotRelPref,
nsIFile **aFile,
nsIPrefBranch *prefBranch = nullptr);
NS_MSG_BASE nsresult NS_SetPersistentFile(const char *relPrefName,
const char *absPrefName,
nsIFile *aFile,
nsIPrefBranch *prefBranch = nullptr);
NS_MSG_BASE nsresult IsRFC822HeaderFieldName(const char *aHdr, bool *aResult);
NS_MSG_BASE nsresult NS_GetUnicharPreferenceWithDefault(nsIPrefBranch *prefBranch, //can be null, if so uses the root branch
const char *prefName,
const nsAString& defValue,
nsAString& prefValue);
NS_MSG_BASE nsresult NS_GetLocalizedUnicharPreferenceWithDefault(nsIPrefBranch *prefBranch, //can be null, if so uses the root branch
const char *prefName,
const nsAString& defValue,
nsAString& prefValue);
NS_MSG_BASE nsresult NS_GetLocalizedUnicharPreference(nsIPrefBranch *prefBranch, //can be null, if so uses the root branch
const char *prefName,
nsAString& prefValue);
/**
* this needs a listener, because we might have to create the folder
* on the server, and that is asynchronous
*/
NS_MSG_BASE nsresult GetOrCreateFolder(const nsACString & aURI, nsIUrlListener *aListener);
// Returns true if the nsIURI is a message under an RSS account
NS_MSG_BASE nsresult IsRSSArticle(nsIURI * aMsgURI, bool *aIsRSSArticle);
// digest needs to be a pointer to a 16 byte buffer
#define DIGEST_LENGTH 16
NS_MSG_BASE nsresult MSGCramMD5(const char *text, int32_t text_len, const char *key, int32_t key_len, unsigned char *digest);
NS_MSG_BASE nsresult MSGApopMD5(const char *text, int32_t text_len, const char *password, int32_t password_len, unsigned char *digest);
// helper functions to convert a 64bits PRTime into a 32bits value (compatible time_t) and vice versa.
NS_MSG_BASE void PRTime2Seconds(PRTime prTime, uint32_t *seconds);
NS_MSG_BASE void PRTime2Seconds(PRTime prTime, int32_t *seconds);
NS_MSG_BASE void Seconds2PRTime(uint32_t seconds, PRTime *prTime);
// helper function to generate current date+time as a string
NS_MSG_BASE void MsgGenerateNowStr(nsACString &nowStr);
// Appends the correct summary file extension onto the supplied fileLocation
// and returns it in summaryLocation.
NS_MSG_BASE nsresult GetSummaryFileLocation(nsIFile* fileLocation,
nsIFile** summaryLocation);
// Gets a special directory and appends the supplied file name onto it.
NS_MSG_BASE nsresult GetSpecialDirectoryWithFileName(const char* specialDirName,
const char* fileName,
nsIFile** result);
// cleanup temp files with the given filename and extension, including
// the consecutive -NNNN ones that we can find. If there are holes, e.g.,
// <filename>-1-10,12.<extension> exist, but <filename>-11.<extension> does not
// we'll clean up 1-10. If the leaks are common, I think the gaps will tend to
// be filled.
NS_MSG_BASE nsresult MsgCleanupTempFiles(const char *fileName, const char *extension);
NS_MSG_BASE nsresult MsgGetFileStream(nsIFile *file, nsIOutputStream **fileStream);
NS_MSG_BASE nsresult MsgReopenFileStream(nsIFile *file, nsIInputStream *fileStream);
// Automatically creates an output stream with a 4K buffer
NS_MSG_BASE nsresult MsgNewBufferedFileOutputStream(nsIOutputStream **aResult, nsIFile *aFile, int32_t aIOFlags = -1, int32_t aPerm = -1);
// Automatically creates an output stream with a 4K buffer, but write to a temporary file first, then rename to aFile
NS_MSG_BASE nsresult MsgNewSafeBufferedFileOutputStream(nsIOutputStream **aResult, nsIFile *aFile, int32_t aIOFlags = -1, int32_t aPerm = -1);
// fills in the position of the passed in keyword in the passed in keyword list
// and returns false if the keyword isn't present
NS_MSG_BASE bool MsgFindKeyword(const nsCString &keyword, nsCString &keywords, int32_t *aStartOfKeyword, int32_t *aLength);
NS_MSG_BASE bool MsgHostDomainIsTrusted(nsCString &host, nsCString &trustedMailDomains);
// gets an nsIFile from a UTF-8 file:// path
NS_MSG_BASE nsresult MsgGetLocalFileFromURI(const nsACString &aUTF8Path, nsIFile **aFile);
NS_MSG_BASE void MsgStripQuotedPrintable (unsigned char *src);
/*
* Utility function copied from nsReadableUtils
*/
NS_MSG_BASE bool MsgIsUTF8(const nsACString& aString);
/*
* Utility functions that call functions from nsINetUtil
*/
NS_MSG_BASE nsresult MsgEscapeString(const nsACString &aStr,
uint32_t aType, nsACString &aResult);
NS_MSG_BASE nsresult MsgUnescapeString(const nsACString &aStr,
uint32_t aFlags, nsACString &aResult);
NS_MSG_BASE nsresult MsgEscapeURL(const nsACString &aStr, uint32_t aFlags,
nsACString &aResult);
// Converts an nsTArray of nsMsgKeys plus a database, to an array of nsIMsgDBHdrs.
NS_MSG_BASE nsresult MsgGetHeadersFromKeys(nsIMsgDatabase *aDB,
const nsTArray<nsMsgKey> &aKeys,
nsIMutableArray *aHeaders);
// Converts an array of nsMsgKeys plus a database, to an array of nsIMsgDBHdrs.
NS_MSG_BASE nsresult MsgGetHdrsFromKeys(nsIMsgDatabase *aDB,
nsMsgKey *aKeys,
uint32_t aNumKeys,
nsIMutableArray **aHeaders);
NS_MSG_BASE nsresult MsgExamineForProxy(nsIChannel *channel,
nsIProxyInfo **proxyInfo);
NS_MSG_BASE int32_t MsgFindCharInSet(const nsCString &aString,
const char* aChars, uint32_t aOffset = 0);
NS_MSG_BASE int32_t MsgFindCharInSet(const nsString &aString,
const char* aChars, uint32_t aOffset = 0);
// advances bufferOffset to the beginning of the next line, if we don't
// get to maxBufferOffset first. Returns false if we didn't get to the
// next line.
NS_MSG_BASE bool MsgAdvanceToNextLine(const char *buffer, uint32_t &bufferOffset,
uint32_t maxBufferOffset);
/**
* Alerts the user that the login to the server failed. Asks whether the
* connection should: retry, cancel, or request a new password.
*
* @param aMsgWindow The message window associated with this action (cannot
* be null).
* @param aHostname The hostname of the server for which the login failed.
* @param aResult The button pressed. 0 for retry, 1 for cancel,
* 2 for enter a new password.
* @return NS_OK for success, NS_ERROR_* if there was a failure in
* creating the dialog.
*/
NS_MSG_BASE nsresult MsgPromptLoginFailed(nsIMsgWindow *aMsgWindow,
const nsCString &aHostname,
int32_t *aResult);
/**
* Calculate a PRTime value used to determine if a date is XX
* days ago. This is used by various retention setting algorithms.
*/
NS_MSG_BASE PRTime MsgConvertAgeInDaysToCutoffDate(int32_t ageInDays);
/**
* Converts the passed in term list to its string representation.
*
* @param aTermList Array of nsIMsgSearchTerms
* @param[out] aOutString result representation of search terms.
*
*/
NS_MSG_BASE nsresult MsgTermListToString(nsISupportsArray *aTermList, nsCString &aOutString);
NS_MSG_BASE nsresult
MsgStreamMsgHeaders(nsIInputStream *aInputStream, nsIStreamListener *aConsumer);
/**
* convert string to uint64_t
*
* @param str conveted string
* @returns uint64_t vaule for success, 0 for parse failure
*/
NS_MSG_BASE uint64_t ParseUint64Str(const char *str);
/**
* Detect charset of file
*
* @param aFile The target of nsIFile
* @param[out] aCharset The charset string
*/
NS_MSG_BASE nsresult MsgDetectCharsetFromFile(nsIFile *aFile, nsACString &aCharset);
/*
* Converts a buffer to plain text. Some conversions may
* or may not work with certain end charsets which is why we
* need that as an argument to the function. If charset is
* unknown or deemed of no importance NULL could be passed.
* @param[in/out] aConBuf Variable with the text to convert
* @param formatFlowed Use format flowed?
* @param formatOutput Reformat the output?
*/
NS_MSG_BASE nsresult ConvertBufToPlainText(nsString &aConBuf, bool formatFlowed, bool formatOutput);
/**
* The following definitons exist for compatibility between the internal and
* external APIs. Where possible they just forward to the existing API.
*/
#ifdef MOZILLA_INTERNAL_API
#include "nsEscape.h"
/**
* The internal API expects nsCaseInsensitiveC?StringComparator() and true.
* Redefine CaseInsensitiveCompare so that Find works.
*/
#define CaseInsensitiveCompare true
/**
* The following methods are not exposed to the external API, but when we're
* using the internal API we can simply redirect the calls appropriately.
*/
#define MsgLowerCaseEqualsLiteral(str, l) \
(str).LowerCaseEqualsLiteral(l)
#define MsgRFindChar(str, ch, len) \
(str).RFindChar(ch, len)
#define MsgCompressWhitespace(str) \
(str).CompressWhitespace()
#define MsgEscapeHTML(str) \
nsEscapeHTML(str)
#define MsgEscapeHTML2(buffer, len) \
nsEscapeHTML2(buffer, len)
#define MsgReplaceSubstring(str, what, replacement) \
(str).ReplaceSubstring(what, replacement)
#define MsgIsUTF8(str) \
IsUTF8(str)
#define MsgNewInterfaceRequestorAggregation(aFirst, aSecond, aResult) \
NS_NewInterfaceRequestorAggregation(aFirst, aSecond, aResult)
#define MsgNewNotificationCallbacksAggregation(aCallbacks, aLoadGroup, aResult) \
NS_NewNotificationCallbacksAggregation(aCallbacks, aLoadGroup, aResult)
#define MsgGetAtom(aString) \
do_GetAtom(aString)
#define MsgNewAtom(aString) \
NS_NewAtom(aString)
#define MsgReplaceChar(aString, aNeedle, aReplacement) \
(aString).ReplaceChar(aNeedle, aReplacement)
#define MsgFind(str, what, ignore_case, offset) \
(str).Find(what, ignore_case, offset)
#define MsgCountChar(aString, aChar) \
(aString).CountChar(aChar)
#else
/**
* The external API expects CaseInsensitiveCompare. Redefine
* nsCaseInsensitiveC?StringComparator() so that Equals works.
*/
#define nsCaseInsensitiveCStringComparator() \
CaseInsensitiveCompare
#define nsCaseInsensitiveStringComparator() \
CaseInsensitiveCompare
/// The external API does not provide kNotFound.
#define kNotFound -1
/**
* The external API does not provide the following methods. While we can
* reasonably easily define them in terms of existing methods, we only want
* to do this when using the external API.
*/
#define AppendASCII \
AppendLiteral
#define AppendUTF16toUTF8(source, dest) \
(dest).Append(NS_ConvertUTF16toUTF8(source))
#define AppendUTF8toUTF16(source, dest) \
(dest).Append(NS_ConvertUTF8toUTF16(source))
#define AppendASCIItoUTF16(source, dest) \
(dest).Append(NS_ConvertASCIItoUTF16(source))
#define Compare(str1, str2, comp) \
(str1).Compare(str2, comp)
#define CaseInsensitiveFindInReadable(what, str) \
((str).Find(what, CaseInsensitiveCompare) != kNotFound)
#define LossyAppendUTF16toASCII(source, dest) \
(dest).Append(NS_LossyConvertUTF16toASCII(source))
#define Last() \
EndReading()[-1]
#define SetCharAt(ch, index) \
Replace(index, 1, ch)
#define NS_NewISupportsArray(result) \
CallCreateInstance(NS_SUPPORTSARRAY_CONTRACTID, static_cast<nsISupportsArray**>(result))
/**
* The internal and external methods expect the parameters in a different order.
* The internal API also always expects a flag rather than a comparator.
*/
inline int32_t MsgFind(nsAString &str, const char *what, bool ignore_case, uint32_t offset)
{
return str.Find(what, offset, ignore_case);
}
inline int32_t MsgFind(nsACString &str, const char *what, bool ignore_case, int32_t offset)
{
/* See Find_ComputeSearchRange from nsStringObsolete.cpp */
if (offset < 0) {
offset = 0;
}
if (ignore_case)
return str.Find(nsDependentCString(what), offset, CaseInsensitiveCompare);
return str.Find(nsDependentCString(what), offset);
}
inline int32_t MsgFind(nsACString &str, const nsACString &what, bool ignore_case, int32_t offset)
{
/* See Find_ComputeSearchRange from nsStringObsolete.cpp */
if (offset < 0) {
offset = 0;
}
if (ignore_case)
return str.Find(what, offset, CaseInsensitiveCompare);
return str.Find(what, offset);
}
/**
* The following methods are not exposed to the external API so we define
* equivalent versions here.
*/
/// Equivalent of LowerCaseEqualsLiteral(literal)
#define MsgLowerCaseEqualsLiteral(str, literal) \
(str).Equals(literal, CaseInsensitiveCompare)
/// Equivalent of RFindChar(ch, len)
#define MsgRFindChar(str, ch, len) \
StringHead(str, len).RFindChar(ch)
/// Equivalent of aString.CompressWhitespace()
NS_MSG_BASE void MsgCompressWhitespace(nsCString& aString);
/// Equivalent of nsEscapeHTML(aString)
NS_MSG_BASE char *MsgEscapeHTML(const char *aString);
/// Equivalent of nsEscapeHTML2(aBuffer, aLen)
NS_MSG_BASE char16_t *MsgEscapeHTML2(const char16_t *aBuffer, int32_t aLen);
// Existing replacement for IsUTF8
NS_MSG_BASE bool MsgIsUTF8(const nsACString& aString);
/// Equivalent of NS_NewAtom(aUTF8String)
NS_MSG_BASE already_AddRefed<nsIAtom> MsgNewAtom(const char* aString);
/// Replacement of NS_RegisterStaticAtoms
NS_MSG_BASE nsIAtom* MsgNewPermanentAtom(const char* aString);
/// Equivalent of do_GetAtom(aUTF8String)
inline already_AddRefed<nsIAtom> MsgGetAtom(const char* aUTF8String)
{
return MsgNewAtom(aUTF8String);
}
/// Equivalent of ns(C)String::ReplaceSubstring(what, replacement)
NS_MSG_BASE void MsgReplaceSubstring(nsAString &str, const nsAString &what, const nsAString &replacement);
NS_MSG_BASE void MsgReplaceSubstring(nsACString &str, const char *what, const char *replacement);
/// Equivalent of ns(C)String::ReplaceChar(what, replacement)
NS_MSG_BASE void MsgReplaceChar(nsString& str, const char *set, const char16_t replacement);
NS_MSG_BASE void MsgReplaceChar(nsCString& str, const char needle, const char replacement);
// Equivalent of NS_NewInterfaceRequestorAggregation(aFirst, aSecond, aResult)
NS_MSG_BASE nsresult MsgNewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst,
nsIInterfaceRequestor *aSecond,
nsIInterfaceRequestor **aResult);
/**
* This function is based on NS_NewNotificationCallbacksAggregation from
* nsNetUtil.h
*
* This function returns a nsIInterfaceRequestor instance that returns the
* same result as NS_QueryNotificationCallbacks when queried.
*/
inline nsresult
MsgNewNotificationCallbacksAggregation(nsIInterfaceRequestor *callbacks,
nsILoadGroup *loadGroup,
nsIInterfaceRequestor **result)
{
nsCOMPtr<nsIInterfaceRequestor> cbs;
if (loadGroup)
loadGroup->GetNotificationCallbacks(getter_AddRefs(cbs));
return MsgNewInterfaceRequestorAggregation(callbacks, cbs, result);
}
/**
* Helper class for do_QueryElementAt
*/
class NS_MSG_BASE MsgQueryElementAt : public nsCOMPtr_helper
{
public:
MsgQueryElementAt( nsISupportsArray* anArray, uint32_t aIndex, nsresult* aErrorPtr )
: mArray(anArray),
mIndex(aIndex),
mErrorPtr(aErrorPtr)
{
// nothing else to do here
}
virtual nsresult NS_FASTCALL operator()( const nsIID& aIID, void** ) const;
private:
nsISupportsArray* mArray;
uint32_t mIndex;
nsresult* mErrorPtr;
};
/**
* Overload function for nsISupportsArray. The do_QueryElementAt which belongs to
* internal API only accepts nsICollection* aCollection.
*/
inline
const MsgQueryElementAt
do_QueryElementAt( nsISupportsArray* array, uint32_t aIndex, nsresult* aErrorPtr = 0 )
{
return MsgQueryElementAt(array, aIndex, aErrorPtr);
}
/**
* Count occurences of specified character in string.
*
*/
inline
uint32_t MsgCountChar(nsACString &aString, char16_t aChar) {
const char *begin, *end;
uint32_t num_chars = 0;
aString.BeginReading(&begin, &end);
for (const char *current = begin; current < end; ++current) {
if (*current == aChar)
++num_chars;
}
return num_chars;
}
inline
uint32_t MsgCountChar(nsAString &aString, char16_t aChar) {
const char16_t *begin, *end;
uint32_t num_chars = 0;
aString.BeginReading(&begin, &end);
for (const char16_t *current = begin; current < end; ++current) {
if (*current == aChar)
++num_chars;
}
return num_chars;
}
#endif
/**
* Converts a hex string into an integer.
* Processes up to aNumChars characters or the first non-hex char.
* It is not an error if less than aNumChars valid hex digits are found.
*/
NS_MSG_BASE uint64_t MsgUnhex(const char *aHexString, size_t aNumChars);
/**
* Checks if a string is a valid hex literal containing at least aNumChars digits.
*/
NS_MSG_BASE bool MsgIsHex(const char *aHexString, size_t aNumChars);
/**
* Convert an uint32_t to a nsMsgKey.
* Currently they are mostly the same but we need to preserve the notion that
* nsMsgKey is an opaque value that can't be treated as a generic integer
* (except when storing it into the database). It enables type safety checks and
* may prevent coding errors.
*/
NS_MSG_BASE nsMsgKey msgKeyFromInt(uint32_t aValue);
NS_MSG_BASE nsMsgKey msgKeyFromInt(uint64_t aValue);
/**
* Helper macro for defining getter/setters. Ported from nsISupportsObsolete.h
*/
#define NS_IMPL_GETSET(clazz, attr, type, member) \
NS_IMETHODIMP clazz::Get##attr(type *result) \
{ \
NS_ENSURE_ARG_POINTER(result); \
*result = member; \
return NS_OK; \
} \
NS_IMETHODIMP clazz::Set##attr(type aValue) \
{ \
member = aValue; \
return NS_OK; \
}
#endif
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