qurl.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

    return true;
}

// pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
static bool QT_FASTCALL _pchar(char **ptr, char pc[])
{
    char c = *(*ptr);

    switch (c) {
    case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
    case '+': case ',': case ';': case '=': case ':': case '@':
    case '-': case '.': case '_': case '~':
        pc[0] = c;
        pc[1] = '\0';
        ++(*ptr);
        return true;
    default:
        break;
    };

    if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9')) {
        pc[0] = c;
        pc[1] = '\0';
        ++(*ptr);
        return true;
    }

    if (_pctEncoded(ptr, pc))
        return true;

    return false;
}

// segment       = *pchar
static bool QT_FASTCALL _segment(char **ptr, QByteArray *segment)
{
    for (;;) {
        char pctTmp[4];
        if (!_pchar(ptr, pctTmp))
            break;

        *segment += pctTmp;
    }

    return true;
}

// segment       = *pchar
static bool QT_FASTCALL _segmentNZ(char **ptr, QByteArray *segment)
{
    char pctTmp[4];
    if (!_pchar(ptr, pctTmp))
        return false;

    *segment += pctTmp;

    for (;;) {
        if (!_pchar(ptr, pctTmp))
            break;

        *segment += pctTmp;
    }

    return true;
}

// path-abempty  = *( "/" segment )
static bool QT_FASTCALL _pathAbEmpty(char **ptr, QByteArray *path)
{
    for (;;) {
        char *ptrBackup = *ptr;
        if (*((*ptr)++) != '/') {
            *ptr = ptrBackup;
            break;
        }

        *path += '/';

        char pctTmp[4];
        if (_pchar(ptr, pctTmp)) {
            *path += pctTmp;
            while (_pchar(ptr, pctTmp))
                *path += pctTmp;
        }
    }

    return true;
}

// path-abs      = "/" [ segment-nz *( "/" segment ) ]
static bool QT_FASTCALL _pathAbs(char **ptr, QByteArray *path)
{
    char *ptrBackup = *ptr;
    char ch = *((*ptr)++);
    if (ch != '/') {
        *ptr = ptrBackup;
        return false;
    }

    *path += '/';

    // we might be able to unnest this to gain some performance.
    QByteArray tmp;
    if (!_segmentNZ(ptr, &tmp))
        return true;

    *path += tmp;

    for (;;) {
        char *ptrBackup2 = *ptr;
        if (*((*ptr)++) != '/') {
            *ptr = ptrBackup2;
            break;
        }

        // we might be able to unnest this to gain some
        // performance.
        QByteArray segment;
        if (!_segment(ptr, &segment)) {
            *ptr = ptrBackup2;
            break;
        }

        *path += '/';
        *path += segment;
    }

    return true;
}

// path-rootless = segment-nz *( "/" segment )
static bool QT_FASTCALL _pathRootless(char **ptr, QByteArray *path)
{
    // we might be able to unnest this to gain some performance.
    QByteArray segment;
    if (!_segmentNZ(ptr, &segment))
        return false;

    *path += segment;

    for (;;) {
        char *ptrBackup2 = *ptr;
        if (*((*ptr)++) != '/') {
            *ptr = ptrBackup2;
            break;
        }

        // we might be able to unnest this to gain some performance.
        QByteArray segment;
        if (!_segment(ptr, &segment)) {
            *ptr = ptrBackup2;
            break;
        }

        *path += '/';
        *path += segment;
    }

    return true;
}

// path-empty    = 0<pchar>
static bool QT_FASTCALL _pathEmpty(char **, QByteArray *path)
{
    path->truncate(0);
    return true;
}

// hier-part   = "//" authority path-abempty
//             / path-abs
//             / path-rootless
//             / path-empty
static bool QT_FASTCALL _hierPart(char **ptr, QByteArray *userInfo, QByteArray *host, int *port, QByteArray *path)
{
    char *ptrBackup = *ptr;
    if (*((*ptr)++) == '/' && *((*ptr)++) == '/') {
        if (!_authority(ptr, userInfo, host, port)) { *ptr = ptrBackup; return false; }
        if (!_pathAbEmpty(ptr, path)) { *ptr = ptrBackup; return false; }
        return true;
    } else {
        *ptr = ptrBackup;
        return (_pathAbs(ptr, path) || _pathRootless(ptr, path) || _pathEmpty(ptr, path));
    }
}

// query       = *( pchar / "/" / "?" )
static bool QT_FASTCALL _query(char **ptr, QByteArray *query)
{
    for (;;) {
        char tmp[4];
        if (_pchar(ptr, tmp)) {
            *query += tmp;
        } else {
            char *ptrBackup = *ptr;
            char ch = *((*ptr)++);
            if (ch == '/' || ch == '?')
                *query += ch;
            else {
                *ptr = ptrBackup;
                break;
            }
        }
    }

    return true;
}

// fragment    = *( pchar / "/" / "?" )
static bool QT_FASTCALL _fragment(char **ptr, QByteArray *fragment)
{
    for (;;) {
        char tmp[4];
        if (_pchar(ptr, tmp)) {
            *fragment += tmp;
        } else {
            char *ptrBackup = *ptr;
            char ch = *((*ptr)++);

            // exception: allow several '#' characters within a
            // fragment.
            if (ch == '/' || ch == '?' || ch == '#')
                *fragment += ch;
            else {
                *ptr = ptrBackup;
                break;
            }
        }
    }

    return true;
}

static bool isMappedToNothing(const QChar &ch)
{
    switch (ch.unicode()) {
    case 0x00AD: case 0x034F: case 0x1806: case 0x180B: case 0x180C: case 0x180D:
    case 0x200B: case 0x200C: case 0x200D: case 0x2060: case 0xFE00: case 0xFE01:
    case 0xFE02: case 0xFE03: case 0xFE04: case 0xFE05: case 0xFE06: case 0xFE07:
    case 0xFE08: case 0xFE09: case 0xFE0A: case 0xFE0B: case 0xFE0C: case 0xFE0D:
    case 0xFE0E: case 0xFE0F: case 0xFEFF:
        return true;
    default:
        return false;
    }
}

struct NameprepCaseFoldingEntry {
    int mapping[5];
};

static inline bool operator<(int one, const NameprepCaseFoldingEntry &other)
{ return one < other.mapping[0]; }

static inline bool operator<(const NameprepCaseFoldingEntry &one, int other)
{ return one.mapping[0] < other; }

static const NameprepCaseFoldingEntry NameprepCaseFolding[] = {
	{ 0x0041, 0x0061, 0x0000, 0x0000, 0x0000},
	{ 0x0042, 0x0062, 0x0000, 0x0000, 0x0000},
	{ 0x0043, 0x0063, 0x0000, 0x0000, 0x0000},
	{ 0x0044, 0x0064, 0x0000, 0x0000, 0x0000},
	{ 0x0045, 0x0065, 0x0000, 0x0000, 0x0000},
	{ 0x0046, 0x0066, 0x0000, 0x0000, 0x0000},
	{ 0x0047, 0x0067, 0x0000, 0x0000, 0x0000},
	{ 0x0048, 0x0068, 0x0000, 0x0000, 0x0000},
	{ 0x0049, 0x0069, 0x0000, 0x0000, 0x0000},
	{ 0x004A, 0x006A, 0x0000, 0x0000, 0x0000},
	{ 0x004B, 0x006B, 0x0000, 0x0000, 0x0000},
	{ 0x004C, 0x006C, 0x0000, 0x0000, 0x0000},
	{ 0x004D, 0x006D, 0x0000, 0x0000, 0x0000},
	{ 0x004E, 0x006E, 0x0000, 0x0000, 0x0000},
	{ 0x004F, 0x006F, 0x0000, 0x0000, 0x0000},
	{ 0x0050, 0x0070, 0x0000, 0x0000, 0x0000},
	{ 0x0051, 0x0071, 0x0000, 0x0000, 0x0000},
	{ 0x0052, 0x0072, 0x0000, 0x0000, 0x0000},
	{ 0x0053, 0x0073, 0x0000, 0x0000, 0x0000},
	{ 0x0054, 0x0074, 0x0000, 0x0000, 0x0000},
	{ 0x0055, 0x0075, 0x0000, 0x0000, 0x0000},
	{ 0x0056, 0x0076, 0x0000, 0x0000, 0x0000},
	{ 0x0057, 0x0077, 0x0000, 0x0000, 0x0000},
	{ 0x0058, 0x0078, 0x0000, 0x0000, 0x0000},
	{ 0x0059, 0x0079, 0x0000, 0x0000, 0x0000},
	{ 0x005A, 0x007A, 0x0000, 0x0000, 0x0000},
	{ 0x00B5, 0x03BC, 0x0000, 0x0000, 0x0000},
	{ 0x00C0, 0x00E0, 0x0000, 0x0000, 0x0000},
	{ 0x00C1, 0x00E1, 0x0000, 0x0000, 0x0000},
	{ 0x00C2, 0x00E2, 0x0000, 0x0000, 0x0000},
	{ 0x00C3, 0x00E3, 0x0000, 0x0000, 0x0000},
	{ 0x00C4, 0x00E4, 0x0000, 0x0000, 0x0000},
	{ 0x00C5, 0x00E5, 0x0000, 0x0000, 0x0000},
	{ 0x00C6, 0x00E6, 0x0000, 0x0000, 0x0000},
	{ 0x00C7, 0x00E7, 0x0000, 0x0000, 0x0000},
	{ 0x00C8, 0x00E8, 0x0000, 0x0000, 0x0000},
	{ 0x00C9, 0x00E9, 0x0000, 0x0000, 0x0000},
	{ 0x00CA, 0x00EA, 0x0000, 0x0000, 0x0000},
	{ 0x00CB, 0x00EB, 0x0000, 0x0000, 0x0000},
	{ 0x00CC, 0x00EC, 0x0000, 0x0000, 0x0000},
	{ 0x00CD, 0x00ED, 0x0000, 0x0000, 0x0000},
	{ 0x00CE, 0x00EE, 0x0000, 0x0000, 0x0000},
	{ 0x00CF, 0x00EF, 0x0000, 0x0000, 0x0000},
	{ 0x00D0, 0x00F0, 0x0000, 0x0000, 0x0000},
	{ 0x00D1, 0x00F1, 0x0000, 0x0000, 0x0000},
	{ 0x00D2, 0x00F2, 0x0000, 0x0000, 0x0000},
	{ 0x00D3, 0x00F3, 0x0000, 0x0000, 0x0000},
	{ 0x00D4, 0x00F4, 0x0000, 0x0000, 0x0000},
	{ 0x00D5, 0x00F5, 0x0000, 0x0000, 0x0000},
	{ 0x00D6, 0x00F6, 0x0000, 0x0000, 0x0000},
	{ 0x00D8, 0x00F8, 0x0000, 0x0000, 0x0000},
	{ 0x00D9, 0x00F9, 0x0000, 0x0000, 0x0000},
	{ 0x00DA, 0x00FA, 0x0000, 0x0000, 0x0000},
	{ 0x00DB, 0x00FB, 0x0000, 0x0000, 0x0000},
	{ 0x00DC, 0x00FC, 0x0000, 0x0000, 0x0000},
	{ 0x00DD, 0x00FD, 0x0000, 0x0000, 0x0000},
	{ 0x00DE, 0x00FE, 0x0000, 0x0000, 0x0000},
	{ 0x00DF, 0x0073, 0x0073, 0x0000, 0x0000},
	{ 0x0100, 0x0101, 0x0000, 0x0000, 0x0000},
	{ 0x0102, 0x0103, 0x0000, 0x0000, 0x0000},
	{ 0x0104, 0x0105, 0x0000, 0x0000, 0x0000},
	{ 0x0106, 0x0107, 0x0000, 0x0000, 0x0000},
	{ 0x0108, 0x0109, 0x0000, 0x0000, 0x0000},
	{ 0x010A, 0x010B, 0x0000, 0x0000, 0x0000},
	{ 0x010C, 0x010D, 0x0000, 0x0000, 0x0000},
	{ 0x010E, 0x010F, 0x0000, 0x0000, 0x0000},
	{ 0x0110, 0x0111, 0x0000, 0x0000, 0x0000},
	{ 0x0112, 0x0113, 0x0000, 0x0000, 0x0000},
	{ 0x0114, 0x0115, 0x0000, 0x0000, 0x0000},
	{ 0x0116, 0x0117, 0x0000, 0x0000, 0x0000},
	{ 0x0118, 0x0119, 0x0000, 0x0000, 0x0000},
	{ 0x011A, 0x011B, 0x0000, 0x0000, 0x0000},
	{ 0x011C, 0x011D, 0x0000, 0x0000, 0x0000},
	{ 0x011E, 0x011F, 0x0000, 0x0000, 0x0000},
	{ 0x0120, 0x0121, 0x0000, 0x0000, 0x0000},
	{ 0x0122, 0x0123, 0x0000, 0x0000, 0x0000},
	{ 0x0124, 0x0125, 0x0000, 0x0000, 0x0000},
	{ 0x0126, 0x0127, 0x0000, 0x0000, 0x0000},
	{ 0x0128, 0x0129, 0x0000, 0x0000, 0x0000},
	{ 0x012A, 0x012B, 0x0000, 0x0000, 0x0000},
	{ 0x012C, 0x012D, 0x0000, 0x0000, 0x0000},
	{ 0x012E, 0x012F, 0x0000, 0x0000, 0x0000},
	{ 0x0130, 0x0069, 0x0307, 0x0000, 0x0000},
	{ 0x0132, 0x0133, 0x0000, 0x0000, 0x0000},
	{ 0x0134, 0x0135, 0x0000, 0x0000, 0x0000},
	{ 0x0136, 0x0137, 0x0000, 0x0000, 0x0000},
	{ 0x0139, 0x013A, 0x0000, 0x0000, 0x0000},
	{ 0x013B, 0x013C, 0x0000, 0x0000, 0x0000},
	{ 0x013D, 0x013E, 0x0000, 0x0000, 0x0000},
	{ 0x013F, 0x0140, 0x0000, 0x0000, 0x0000},
	{ 0x0141, 0x0142, 0x0000, 0x0000, 0x0000},
	{ 0x0143, 0x0144, 0x0000, 0x0000, 0x0000},
	{ 0x0145, 0x0146, 0x0000, 0x0000, 0x0000},
	{ 0x0147, 0x0148, 0x0000, 0x0000, 0x0000},
	{ 0x0149, 0x02BC, 0x006E, 0x0000, 0x0000},
	{ 0x014A, 0x014B, 0x0000, 0x0000, 0x0000},
	{ 0x014C, 0x014D, 0x0000, 0x0000, 0x0000},
	{ 0x014E, 0x014F, 0x0000, 0x0000, 0x0000},
	{ 0x0150, 0x0151, 0x0000, 0x0000, 0x0000},
	{ 0x0152, 0x0153, 0x0000, 0x0000, 0x0000},
	{ 0x0154, 0x0155, 0x0000, 0x0000, 0x0000},
	{ 0x0156, 0x0157, 0x0000, 0x0000, 0x0000},
	{ 0x0158, 0x0159, 0x0000, 0x0000, 0x0000},
	{ 0x015A, 0x015B, 0x0000, 0x0000, 0x0000},
	{ 0x015C, 0x015D, 0x0000, 0x0000, 0x0000},
	{ 0x015E, 0x015F, 0x0000, 0x0000, 0x0000},
	{ 0x0160, 0x0161, 0x0000, 0x0000, 0x0000},
	{ 0x0162, 0x0163, 0x0000, 0x0000, 0x0000},
	{ 0x0164, 0x0165, 0x0000, 0x0000, 0x0000},
	{ 0x0166, 0x0167, 0x0000, 0x0000, 0x0000},
	{ 0x0168, 0x0169, 0x0000, 0x0000, 0x0000},
	{ 0x016A, 0x016B, 0x0000, 0x0000, 0x0000},
	{ 0x016C, 0x016D, 0x0000, 0x0000, 0x0000},
	{ 0x016E, 0x016F, 0x0000, 0x0000, 0x0000},
	{ 0x0170, 0x0171, 0x0000, 0x0000, 0x0000},
	{ 0x0172, 0x0173, 0x0000, 0x0000, 0x0000},
	{ 0x0174, 0x0175, 0x0000, 0x0000, 0x0000},
	{ 0x0176, 0x0177, 0x0000, 0x0000, 0x0000},
	{ 0x0178, 0x00FF, 0x0000, 0x0000, 0x0000},
	{ 0x0179, 0x017A, 0x0000, 0x0000, 0x0000},
	{ 0x017B, 0x017C, 0x0000, 0x0000, 0x0000},
	{ 0x017D, 0x017E, 0x0000, 0x0000, 0x0000},
	{ 0x017F, 0x0073, 0x0000, 0x0000, 0x0000},
	{ 0x0181, 0x0253, 0x0000, 0x0000, 0x0000},
	{ 0x0182, 0x0183, 0x0000, 0x0000, 0x0000},