namespace lyx {
+int const Encoding::any = -1;
+
Encodings encodings;
Encodings::MathCommandSet Encodings::mathcmd;
{0, 0, 0, 0}, // 0x067b
{0, 0, 0, 0}, // 0x067c
{0, 0, 0, 0}, // 0x067d
- {0xfb56, 0xfb57, 0xfb58, 0xfb59}, // 0x067e = peh
+ {0xfb56, 0xfb57, 0xfb58, 0xfb59}, // 0x067e = peh
{0, 0, 0, 0}, // 0x067f
{0, 0, 0, 0}, // 0x0680
{0, 0, 0, 0}, // 0x0681
{0, 0, 0, 0}, // 0x0683
{0, 0, 0, 0}, // 0x0684
{0, 0, 0, 0}, // 0x0685
- {0xfb7a, 0xfb7b, 0xfb7c, 0xfb7d}, // 0x0686 = tcheh
+ {0xfb7a, 0xfb7b, 0xfb7c, 0xfb7d}, // 0x0686 = tcheh
{0, 0, 0, 0}, // 0x0687
{0, 0, 0, 0}, // 0x0688
{0, 0, 0, 0}, // 0x0689
{0, 0, 0, 0}, // 0x06a6
{0, 0, 0, 0}, // 0x06a7
{0, 0, 0, 0}, // 0x06a8
- {0xfb8e, 0xfb8f, 0xfb90, 0xfb91}, // 0x06a9 = farsi kaf
+ {0xfb8e, 0xfb8f, 0xfb90, 0xfb91}, // 0x06a9 = farsi kaf
{0, 0, 0, 0}, // 0x06aa
{0, 0, 0, 0}, // 0x06ab
{0, 0, 0, 0}, // 0x06ac
{0, 0, 0, 0}, // 0x06ad
{0, 0, 0, 0}, // 0x06ae
- {0xfb92, 0xfb93, 0xfb94, 0xfb95}, // 0x06af = gaf
+ {0xfb92, 0xfb93, 0xfb94, 0xfb95}, // 0x06af = gaf
{0, 0, 0, 0}, // 0x06b0
{0, 0, 0, 0}, // 0x06b1
{0, 0, 0, 0}, // 0x06b2
{0, 0, 0, 0}, // 0x06c9
{0, 0, 0, 0}, // 0x06ca
{0, 0, 0, 0}, // 0x06cb
- {0xfbfc, 0xfbfd, 0xfbfe, 0xfbff} // 0x06cc = farsi yeh
+ {0xfbfc, 0xfbfd, 0xfbfe, 0xfbff} // 0x06cc = farsi yeh
};
CharInfoTextNoTermination = 16,
///
CharInfoMathNoTermination = 32,
+ ///
+ CharInfoForceSelected = 64,
};
/// Information about a single UCS4 character
/// Always force the LaTeX command, even if the encoding contains
/// this character?
bool force() const { return flags & CharInfoForce ? true : false; }
+ /// Force the LaTeX command for some encodings?
+ bool forceselected() const { return flags & CharInfoForceSelected ? true : false; }
/// TIPA shortcut
string tipashortcut;
/// \c textcommand needs no termination (such as {} or space).
CharInfoMap unicodesymbols;
typedef std::set<char_type> CharSet;
+typedef std::map<string, CharSet> CharSetMap;
CharSet forced;
+CharSetMap forcedselected;
typedef std::set<char_type> MathAlphaSet;
MathAlphaSet mathalpha;
Encoding::Encoding(string const & n, string const & l, string const & g,
- string const & i, bool f, Encoding::Package p)
- : name_(n), latexName_(l), guiName_(g), iconvName_(i), fixedwidth_(f), package_(p)
+ string const & i, bool f, bool u, Encoding::Package p)
+ : name_(n), latexName_(l), guiName_(g), iconvName_(i), fixedwidth_(f),
+ unsafe_(u), forced_(&forcedselected[n]), package_(p)
{
if (n == "ascii") {
// ASCII can encode 128 code points and nothing else
start_encodable_ = max_ucs4;
complete_ = true;
} else {
+ start_encodable_ = 0;
complete_ = false;
}
}
continue;
char_type const uc = ucs4[0];
CharInfoMap::const_iterator const it = unicodesymbols.find(uc);
- if (it == unicodesymbols.end() || !it->second.force())
+ if (it == unicodesymbols.end())
encodable_.insert(uc);
+ else if (!it->second.force()) {
+ if (forced_->empty() || forced_->find(uc) == forced_->end())
+ encodable_.insert(uc);
+ }
}
} else {
// We do not know how many code points this encoding has, and
vector<char> const eightbit = ucs4_to_eightbit(&c, 1, iconvName_);
if (!eightbit.empty()) {
CharInfoMap::const_iterator const it = unicodesymbols.find(c);
- if (it == unicodesymbols.end() || !it->second.force())
+ if (it == unicodesymbols.end())
encodable_.insert(c);
+ else if (!it->second.force()) {
+ if (forced_->empty() || forced_->find(c) == forced_->end())
+ encodable_.insert(c);
+ }
}
}
}
}
+bool Encoding::isForced(char_type c) const
+{
+ if (!forced.empty() && forced.find(c) != forced.end())
+ return true;
+ return !forced_->empty() && forced_->find(c) != forced_->end();
+}
+
+
bool Encoding::encodable(char_type c) const
{
// assure the used encoding is properly initialized
if (iconvName_ == "UTF-8" && package_ == none)
return true;
- if (c < start_encodable_ && !encodings.isForced(c))
+ if (c < start_encodable_ && !isForced(c))
return true;
if (encodable_.find(c) != encodable_.end())
return true;
bool const mathmode = cmdtype & MATH_CMD;
bool const textmode = cmdtype & TEXT_CMD;
docstring symbols;
- size_t i = 0;
size_t const cmdend = cmd.size();
+ size_t prefix = 0;
CharInfoMap::const_iterator const uniend = unicodesymbols.end();
- for (size_t j = 0; j < cmdend; ++j) {
+ for (size_t i = 0, j = 0; j < cmdend; ++j) {
// Also get the char after a backslash
- if (j + 1 < cmdend && cmd[j] == '\\')
+ if (j + 1 < cmdend && cmd[j] == '\\') {
++j;
+ prefix = 1;
+ // Detect things like \=*{e} as well
+ if (j + 3 < cmdend && cmd[j+1] == '*' &&
+ cmd[j+2] == '{') {
+ ++j;
+ prefix = 2;
+ }
+ }
+ // position of the last character before a possible macro
+ // argument
+ size_t m = j;
// If a macro argument follows, get it, too
+ // Do it here only for single character commands. Other
+ // combining commands need this too, but they are handled in
+ // the loop below for performance reasons.
if (j + 1 < cmdend && cmd[j + 1] == '{') {
size_t k = j + 1;
int count = 1;
}
if (k != docstring::npos)
j = k;
+ } else if (m + 1 < cmdend && isAlphaASCII(cmd[m])) {
+ while (m + 2 < cmdend && isAlphaASCII(cmd[m+1]))
+ m++;
}
// Start with this substring and try augmenting it when it is
// the prefix of some command in the unicodesymbols file
- docstring const subcmd = cmd.substr(i, j - i + 1);
+ docstring subcmd = cmd.substr(i, j - i + 1);
CharInfoMap::const_iterator it = unicodesymbols.begin();
+ // First part of subcmd which might be a combining character
+ docstring combcmd = (m == j) ? docstring() : cmd.substr(i, m - i + 1);
+ // The combining character of combcmd if it exists
+ CharInfoMap::const_iterator combining = uniend;
size_t unicmd_size = 0;
char_type c = 0;
for (; it != uniend; ++it) {
: docstring();
docstring const text = textmode ? it->second.textcommand
: docstring();
+ if (!combcmd.empty() && it->second.combining() &&
+ (math == combcmd || text == combcmd))
+ combining = it;
size_t cur_size = max(math.size(), text.size());
// The current math or text unicode command cannot
// match, or we already matched a longer one
// If this is an exact match, we found a (longer)
// matching entry in the unicodesymbols file.
+ if (math != tmp && text != tmp)
+ continue;
+ // If we found a combining command, we need to append
+ // the macro argument if this has not been done above.
+ if (tmp == combcmd && combining != uniend &&
+ k < cmdend && cmd[k] == '{') {
+ size_t l = k;
+ int count = 1;
+ while (l < cmdend && count && l != docstring::npos) {
+ l = cmd.find_first_of(from_ascii("{}"), l + 1);
+ if (cmd[l] == '{')
+ ++count;
+ else
+ --count;
+ }
+ if (l != docstring::npos) {
+ j = l;
+ subcmd = cmd.substr(i, j - i + 1);
+ }
+ }
// If the entry doesn't start with '\', we take note
// of the match and continue (this is not a ultimate
// acceptance, as some other entry may match a longer
// (nonletter) char macro, or nothing else follows,
// or what follows is a nonletter char, or the last
// character is a }.
- if ((math == tmp || text == tmp)
- && (tmp[0] != '\\'
- || (tmp.size() == 2 && !isAlphaASCII(tmp[1]))
+ else if (tmp[0] != '\\'
+ || (tmp.size() == prefix + 1 &&
+ !isAlphaASCII(tmp[1]) &&
+ (prefix == 1 || !isAlphaASCII(tmp[2])))
|| k == cmdend
|| !isAlphaASCII(cmd[k])
- || tmp[tmp.size() - 1] == '}')
+ || tmp[tmp.size() - 1] == '}'
) {
c = it->first;
j = k - 1;
}
if (unicmd_size)
symbols += c;
- else if (j + 1 == cmdend) {
+ else if (combining != uniend &&
+ prefixIs(subcmd, combcmd + '{')) {
+ // We know that subcmd starts with combcmd and
+ // contains an argument in braces.
+ docstring const arg = subcmd.substr(
+ combcmd.length() + 1,
+ subcmd.length() - combcmd.length() - 2);
+ // If arg is a single character we can construct a
+ // combining sequence.
+ char_type a;
+ bool argcomb = false;
+ if (arg.size() == 1 && isAlnumASCII(arg[0]))
+ a = arg[0];
+ else {
+ // Use the version of fromLaTeXCommand() that
+ // parses only one command, since we cannot
+ // use more than one character.
+ bool dummy = false;
+ set<string> r;
+ a = fromLaTeXCommand(arg, cmdtype, argcomb,
+ dummy, &r);
+ if (a && req && !argcomb)
+ req->insert(r.begin(), r.end());
+ }
+ if (a && !argcomb) {
+ // In unicode the combining character comes
+ // after its base
+ symbols += a;
+ symbols += combining->first;
+ i = j + 1;
+ unicmd_size = 2;
+ }
+ }
+ if (j + 1 == cmdend && !unicmd_size) {
// No luck. Return what remains
rem = cmd.substr(i);
if (needsTermination && !rem.empty()) {
}
-bool Encodings::isForced(char_type c)
-{
- return (!forced.empty() && forced.find(c) != forced.end());
-}
-
-
bool Encodings::isMathAlpha(char_type c)
{
return mathalpha.count(c);
}
-Encoding const * Encodings::fromLyXName(string const & name) const
+Encoding const *
+Encodings::fromLyXName(string const & name, bool allowUnsafe) const
{
EncodingList::const_iterator const it = encodinglist.find(name);
+ if (!allowUnsafe && it->second.unsafe())
+ return 0;
return it != encodinglist.end() ? &it->second : 0;
}
-Encoding const * Encodings::fromLaTeXName(string const & n) const
+Encoding const *
+Encodings::fromLaTeXName(string const & n, int const & p, bool allowUnsafe) const
{
string name = n;
// FIXME: if we have to test for too many of these synonyms,
// most at the top of lib/encodings.
EncodingList::const_iterator const end = encodinglist.end();
for (EncodingList::const_iterator it = encodinglist.begin(); it != end; ++it)
- if (it->second.latexName() == name)
+ if ((it->second.latexName() == name) && (it->second.package() & p)
+ && (!it->second.unsafe() || allowUnsafe))
+ return &it->second;
+ return 0;
+}
+
+
+Encoding const *
+Encodings::fromIconvName(string const & n, int const & p, bool allowUnsafe) const
+{
+ EncodingList::const_iterator const end = encodinglist.end();
+ for (EncodingList::const_iterator it = encodinglist.begin(); it != end; ++it)
+ if ((it->second.iconvName() == n) && (it->second.package() & p)
+ && (!it->second.unsafe() || allowUnsafe))
return &it->second;
return 0;
}
{
// We must read the symbolsfile first, because the Encoding
// constructor depends on it.
+ CharSetMap forcednotselected;
Lexer symbolslex;
symbolslex.setFile(symbolsfile);
bool getNextToken = true;
} else if (flag == "force") {
info.flags |= CharInfoForce;
forced.insert(symbol);
+ } else if (prefixIs(flag, "force=")) {
+ vector<string> encodings =
+ getVectorFromString(flag.substr(6), ";");
+ for (size_t i = 0; i < encodings.size(); ++i)
+ forcedselected[encodings[i]].insert(symbol);
+ info.flags |= CharInfoForceSelected;
+ } else if (prefixIs(flag, "force!=")) {
+ vector<string> encodings =
+ getVectorFromString(flag.substr(7), ";");
+ for (size_t i = 0; i < encodings.size(); ++i)
+ forcednotselected[encodings[i]].insert(symbol);
+ info.flags |= CharInfoForceSelected;
} else if (flag == "mathalpha") {
mathalpha.insert(symbol);
} else if (flag == "notermination=text") {
<< " '" << info.textfeature() << ' ' << info.textnotermination()
<< ' ' << to_utf8(info.mathcommand) << "' '" << info.mathpreamble
<< "' " << info.mathfeature() << ' ' << info.mathnotermination()
- << ' ' << info.combining() << ' ' << info.force());
+ << ' ' << info.combining() << ' ' << info.force()
+ << ' ' << info.forceselected());
// we assume that at least one command is nonempty when using unicodesymbols
if (!info.textcommand.empty() || !info.mathcommand.empty())
lex.next();
string const width = lex.getString();
bool fixedwidth = false;
+ bool unsafe = false;
if (width == "fixed")
fixedwidth = true;
else if (width == "variable")
fixedwidth = false;
+ else if (width == "variableunsafe") {
+ fixedwidth = false;
+ unsafe = true;
+ }
else
lex.printError("Unknown width");
LYXERR(Debug::INFO, "Reading encoding " << name);
encodinglist[name] = Encoding(name, latexname,
- guiname, iconvname, fixedwidth, package);
+ guiname, iconvname, fixedwidth, unsafe,
+ package);
if (lex.lex() != et_end)
lex.printError("Missing end");
break;
}
}
+
+ // Move all information from forcednotselected to forcedselected
+ for (CharSetMap::const_iterator it1 = forcednotselected.begin(); it1 != forcednotselected.end(); ++it1) {
+ for (CharSetMap::iterator it2 = forcedselected.begin(); it2 != forcedselected.end(); ++it2) {
+ if (it2->first != it1->first)
+ it2->second.insert(it1->second.begin(), it1->second.end());
+ }
+ }
+
}
projects / lyx.git / blobdiff