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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/htmlhelper_8cpp_source.html below:

NCBI C++ ToolKit: src/html/htmlhelper.cpp Source File

34 #include <corelib/ncbisys.hpp> 38 #define NCBI_USE_ERRCODE_X Html_Lib 68 while

( ptr !=

NPOS

) {

81 bool

is_entity =

false

;

84

(ptr+2 <

str

.length()) &&

85

(semicolon !=

NPOS

)) {

86 if

( ptr >= semicolon )

87

semicolon =

str

.find(

";"

, ptr+1);

88 if

( semicolon !=

NPOS

) {

91 if

(

str

[ptr+1] ==

'#'

) {

96 for

(; p < semicolon; ++p) {

106 for

(; p < semicolon; ++p) {

113

is_entity = (p == semicolon);

119 "\" contains HTML encoded entities"

);

165 while

( (pos =

.find(

"<!--"

, pos)) !=

NPOS

) {

166 SIZE_TYPE

pos_end =

.find(

"-->"

, pos + 1);

167 if

( pos_end ==

NPOS

) {

170 s

.erase(pos, pos_end - pos + 3);

174 while

( (pos =

.find(

"<@"

, pos)) !=

NPOS

) {

176 if

( pos_end ==

NPOS

) {

179 s

.erase(pos, pos_end - pos + 2);

184 while

( (pos =

.find(

"<"

, pos)) !=

NPOS

) {

186 if

( pos_end ==

NPOS

) {

189 if

(pos <

.size() &&

190

(

isalpha

((

unsigned char

)

[pos + 1]) ||

[pos + 1] ==

'/'

)) {

191 s

.erase(pos, pos_end - pos + 1);

206 while

( (pos =

.find(

"&"

, pos)) !=

NPOS

) {

208 if

( pos_end ==

NPOS

) {

211 if

( (pos_end - pos) > 2 && (pos_end - pos) < 8 ) {

214 if

(

[start] ==

'#'

) {

220 bool

need_delete =

true

;

222 if

( !

check

((

int

)

[

]) ) {

223

need_delete =

false

;

228 s

.erase(pos, pos_end - pos + 1);

514 "Unable to guess the source string encoding"

, 0);

518

ustr.reserve(

str

.size());

520

string::const_iterator

, e =

str

.end();

524 for

(

str

.begin();

!= e;) {

527 if

(

!= e && ch ==

'&'

) {

528

string::const_iterator itmp, end_of_entity, start_of_entity;

529

itmp = end_of_entity = start_of_entity =

;

530 bool

ent, dec,

hex

, parsed=

false

;

531

ent =

isalpha

((

unsigned char

)(*itmp)) != 0;

532

dec = !ent && *itmp ==

'#'

&& ++itmp != e &&

533 isdigit

((

unsigned char

)(*itmp)) != 0;

534 hex

= !dec && itmp != e &&

535

(*itmp ==

'x'

|| *itmp ==

'X'

) && ++itmp != e &&

536 isxdigit

((

unsigned char

)(*itmp)) != 0;

537

start_of_entity = itmp;

538 if

(itmp != e && (ent || dec ||

hex

)) {

540 for

(

int len

=0;

len

<16 && itmp != e; ++

len

, ++itmp) {

541 if

(*itmp ==

'&'

|| *itmp ==

'#'

) {

545

end_of_entity = itmp;

548

ent = ent &&

isalnum

( (

unsigned char

)(*itmp)) != 0;

549

dec = dec &&

isdigit

( (

unsigned char

)(*itmp)) != 0;

552 if

(end_of_entity !=

&& (ent || dec ||

hex

)) {

555 string

entity(start_of_entity,end_of_entity);

557 for

( ; p->

!= 0; ++p) {

558 if

(entity.compare(p->

) == 0) {

568 for

(itmp = start_of_entity;

569

itmp != end_of_entity; ++itmp) {

574 if

(

'0'

'9'

) {

576

}

else if

(

'a'

'f'

) {

579

}

else if

(

'A'

'F'

) {

597

ustr.append( 1, ch );

CNcbiOstrstreamToString class helps convert CNcbiOstrstream to a string Sample usage:

CTempString implements a light-weight string on top of a storage buffer whose lifetime management is ...

std::ofstream out("events_result.xml")

main entry point for tests

static DLIST_TYPE *DLIST_NAME() last(DLIST_LIST_TYPE *list)

static const char * str(char *buf, int n)

#define ERR_POST_X_ONCE(err_subcode, message)

Error posting only once during program execution with default error code and given error subcode.

#define NCBI_THROW2(exception_class, err_code, message, extra)

Throw exception with extra parameter.

void Info(CExceptionArgs_Base &args)

static void SetNL(const string &nl)

static const char * sm_newline

static string HTMLEncode(const string &str, THTMLEncodeFlags flags=fEncodeAll)

HTML encodes a string. E.g. <.

static CStringUTF8 HTMLDecode(const string &str, EEncoding encoding=eEncoding_Unknown, THTMLDecodeFlags *result_flags=NULL)

Decode HTML entities and character references.

static string StripSpecialChars(const string &str)

Strip all named and numeric character entities from a string.

static string StripTags(const string &str)

Strip all HTML tags from a string.

static string HTMLAttributeEncode(const string &str, THTMLEncodeFlags flags=fSkipEntities)

HTML encodes a tag attribute ('&' and '"' symbols).

@ fSkipLiteralEntities

Skip "&entity;".

@ fSkipNumericEntities

Skip "&#NNNN;".

@ fCheckPreencoded

Print warning if some preencoded entity found in the string.

@ fCharRef_Entity

Character entity reference(s) was found.

@ fCharRef_Numeric

Numeric character reference(s) was found.

@ fEncoding

Character encoding changed.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

NCBI_NS_STD::string::size_type SIZE_TYPE

static EEncoding GuessEncoding(const CTempString &src)

Guess the encoding of the C/C++ string.

char32_t TUnicodeSymbol

Unicode character.

static CStringUTF8 AsUTF8(const CTempString &src, EEncoding encoding, EValidate validate=eNoValidate)

Convert into UTF8 from a C/C++ string.

unsigned int

A callback function used to compare two keys in a database.

static struct tag_HtmlEntities s_HtmlEntities[]

static string s_HTMLEncode(const string &str, const string &set, CHTMLHelper::THTMLEncodeFlags flags)

Definition of all error codes used in html library (xhtml.lib).

static void hex(unsigned char c)

static unsigned int ud(time_t one, time_t two)

#define NcbiSysChar_strdup

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