#include <boost/cstdint.hpp>
#include <sstream>
+#include <algorithm>
using namespace std;
using namespace lyx::support;
namespace {
-char_type arabic_table[172][4] = {
- {0xfe80, 0xfe80, 0xfe80, 0xfe80}, // 0x0621 = hamza
- {0xfe81, 0xfe82, 0xfe81, 0xfe82}, // 0x0622 = ligature madda on alef
- {0xfe83, 0xfe84, 0xfe83, 0xfe84}, // 0x0623 = ligature hamza on alef
- {0xfe85, 0xfe86, 0xfe85, 0xfe86}, // 0x0624 = ligature hamza on waw
- {0xfe87, 0xfe88, 0xfe87, 0xfe88}, // 0x0625 = ligature hamza under alef
- {0xfe89, 0xfe8a, 0xfe8b, 0xfe8c}, // 0x0626 = ligature hamza on ya
- {0xfe8d, 0xfe8e, 0xfe8d, 0xfe8e}, // 0x0627 = alef
- {0xfe8f, 0xfe90, 0xfe91, 0xfe92}, // 0x0628 = baa
- {0xfe93, 0xfe94, 0xfe93, 0xfe94}, // 0x0629 = taa marbuta
- {0xfe95, 0xfe96, 0xfe97, 0xfe98}, // 0x062a = taa
- {0xfe99, 0xfe9a, 0xfe9b, 0xfe9c}, // 0x062b = thaa
- {0xfe9d, 0xfe9e, 0xfe9f, 0xfea0}, // 0x062c = jeem
- {0xfea1, 0xfea2, 0xfea3, 0xfea4}, // 0x062d = haa
- {0xfea5, 0xfea6, 0xfea7, 0xfea8}, // 0x062e = khaa
- {0xfea9, 0xfeaa, 0xfea9, 0xfeaa}, // 0x062f = dal
-
- {0xfeab, 0xfeac, 0xfeab, 0xfeac}, // 0x0630 = thal
- {0xfead, 0xfeae, 0xfead, 0xfeae}, // 0x0631 = ra
- {0xfeaf, 0xfeb0, 0xfeaf, 0xfeb0}, // 0x0632 = zain
- {0xfeb1, 0xfeb2, 0xfeb3, 0xfeb4}, // 0x0633 = seen
- {0xfeb5, 0xfeb6, 0xfeb7, 0xfeb8}, // 0x0634 = sheen
- {0xfeb9, 0xfeba, 0xfebb, 0xfebc}, // 0x0635 = sad
- {0xfebd, 0xfebe, 0xfebf, 0xfec0}, // 0x0636 = dad
- {0xfec1, 0xfec2, 0xfec3, 0xfec4}, // 0x0637 = tah
- {0xfec5, 0xfec6, 0xfec7, 0xfec8}, // 0x0638 = zah
- {0xfec9, 0xfeca, 0xfecb, 0xfecc}, // 0x0639 = ain
- {0xfecd, 0xfece, 0xfecf, 0xfed0}, // 0x063a = ghain
- {0, 0, 0, 0}, // 0x063b
- {0, 0, 0, 0}, // 0x063c
- {0, 0, 0, 0}, // 0x063d
- {0, 0, 0, 0}, // 0x063e
- {0, 0, 0, 0}, // 0x063f
-
- {0, 0, 0, 0}, // 0x0640
- {0xfed1, 0xfed2, 0xfed3, 0xfed4}, // 0x0641 = fa
- {0xfed5, 0xfed6, 0xfed7, 0xfed8}, // 0x0642 = qaf
- {0xfed9, 0xfeda, 0xfedb, 0xfedc}, // 0x0643 = kaf
- {0xfedd, 0xfede, 0xfedf, 0xfee0}, // 0x0644 = lam
- {0xfee1, 0xfee2, 0xfee3, 0xfee4}, // 0x0645 = meem
- {0xfee5, 0xfee6, 0xfee7, 0xfee8}, // 0x0646 = noon
- {0xfee9, 0xfeea, 0xfeeb, 0xfeec}, // 0x0647 = ha
- {0xfeed, 0xfeee, 0xfeed, 0xfeee}, // 0x0648 = waw
- {0xfeef, 0xfef0, 0xfeef, 0xfef0}, // 0x0649 = alef maksura
- {0xfef1, 0xfef2, 0xfef3, 0xfef4}, // 0x064a = ya
- {0x065b, 0x065b, 0x065b, 0x065b}, // 0x064b = fathatan
- {0x065c, 0x065c, 0x065c, 0x065c}, // 0x064c = dammatan
- {0x064d, 0x064d, 0x064d, 0x064d}, // 0x064d = kasratan
- {0x064e, 0x064e, 0x064e, 0x064e}, // 0x064e = fatha
- {0x064f, 0x064f, 0x064f, 0x064f}, // 0x064f = damma
-
- {0x0650, 0x0650, 0x0650, 0x0650}, // 0x0650 = kasra
- {0x0651, 0x0651, 0x0651, 0x0651}, // 0x0651 = shadda
- {0x0652, 0x0652, 0x0652, 0x0652}, // 0x0652 = sukun
-
- {0, 0, 0, 0}, // 0x0653
- {0, 0, 0, 0}, // 0x0654
- {0, 0, 0, 0}, // 0x0655
- {0, 0, 0, 0}, // 0x0656
- {0, 0, 0, 0}, // 0x0657
- {0, 0, 0, 0}, // 0x0658
- {0, 0, 0, 0}, // 0x0659
- {0, 0, 0, 0}, // 0x065a
- {0, 0, 0, 0}, // 0x065b
- {0, 0, 0, 0}, // 0x065c
- {0, 0, 0, 0}, // 0x065d
- {0, 0, 0, 0}, // 0x065e
- {0, 0, 0, 0}, // 0x065f
- {0, 0, 0, 0}, // 0x0660
- {0, 0, 0, 0}, // 0x0661
- {0, 0, 0, 0}, // 0x0662
- {0, 0, 0, 0}, // 0x0663
- {0, 0, 0, 0}, // 0x0664
- {0, 0, 0, 0}, // 0x0665
- {0, 0, 0, 0}, // 0x0666
- {0, 0, 0, 0}, // 0x0667
- {0, 0, 0, 0}, // 0x0668
- {0, 0, 0, 0}, // 0x0669
- {0, 0, 0, 0}, // 0x066a
- {0, 0, 0, 0}, // 0x066b
- {0, 0, 0, 0}, // 0x066c
- {0, 0, 0, 0}, // 0x066d
- {0, 0, 0, 0}, // 0x066e
- {0, 0, 0, 0}, // 0x066f
- {0, 0, 0, 0}, // 0x0670
- {0, 0, 0, 0}, // 0x0671
- {0, 0, 0, 0}, // 0x0672
- {0, 0, 0, 0}, // 0x0673
- {0, 0, 0, 0}, // 0x0674
- {0, 0, 0, 0}, // 0x0675
- {0, 0, 0, 0}, // 0x0676
- {0, 0, 0, 0}, // 0x0677
- {0, 0, 0, 0}, // 0x0678
- {0, 0, 0, 0}, // 0x0679
- {0, 0, 0, 0}, // 0x067a
- {0, 0, 0, 0}, // 0x067b
- {0, 0, 0, 0}, // 0x067c
- {0, 0, 0, 0}, // 0x067d
- {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}, // 0x0682
- {0, 0, 0, 0}, // 0x0683
- {0, 0, 0, 0}, // 0x0684
- {0, 0, 0, 0}, // 0x0685
- {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}, // 0x068a
- {0, 0, 0, 0}, // 0x068b
- {0, 0, 0, 0}, // 0x068c
- {0, 0, 0, 0}, // 0x068d
- {0, 0, 0, 0}, // 0x068e
- {0, 0, 0, 0}, // 0x068f
- {0, 0, 0, 0}, // 0x0690
- {0, 0, 0, 0}, // 0x0691
- {0, 0, 0, 0}, // 0x0692
- {0, 0, 0, 0}, // 0x0693
- {0, 0, 0, 0}, // 0x0694
- {0, 0, 0, 0}, // 0x0695
- {0, 0, 0, 0}, // 0x0696
- {0, 0, 0, 0}, // 0x0697
- {0xfb8a, 0xfb8b, 0xfb8a, 0xfb8b}, // 0x0698 = jeh
- {0, 0, 0, 0}, // 0x0699
- {0, 0, 0, 0}, // 0x069a
- {0, 0, 0, 0}, // 0x069b
- {0, 0, 0, 0}, // 0x069c
- {0, 0, 0, 0}, // 0x069d
- {0, 0, 0, 0}, // 0x069e
- {0, 0, 0, 0}, // 0x069f
- {0, 0, 0, 0}, // 0x06a0
- {0, 0, 0, 0}, // 0x06a1
- {0, 0, 0, 0}, // 0x06a2
- {0, 0, 0, 0}, // 0x06a3
- {0, 0, 0, 0}, // 0x06a4
- {0, 0, 0, 0}, // 0x06a5
- {0, 0, 0, 0}, // 0x06a6
- {0, 0, 0, 0}, // 0x06a7
- {0, 0, 0, 0}, // 0x06a8
- {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
- {0, 0, 0, 0}, // 0x06b0
- {0, 0, 0, 0}, // 0x06b1
- {0, 0, 0, 0}, // 0x06b2
- {0, 0, 0, 0}, // 0x06b3
- {0, 0, 0, 0}, // 0x06b4
- {0, 0, 0, 0}, // 0x06b5
- {0, 0, 0, 0}, // 0x06b6
- {0, 0, 0, 0}, // 0x06b7
- {0, 0, 0, 0}, // 0x06b8
- {0, 0, 0, 0}, // 0x06b9
- {0, 0, 0, 0}, // 0x06ba
- {0, 0, 0, 0}, // 0x06bb
- {0, 0, 0, 0}, // 0x06bc
- {0, 0, 0, 0}, // 0x06bd
- {0, 0, 0, 0}, // 0x06be
- {0, 0, 0, 0}, // 0x06bf
- {0, 0, 0, 0}, // 0x06c0
- {0, 0, 0, 0}, // 0x06c1
- {0, 0, 0, 0}, // 0x06c2
- {0, 0, 0, 0}, // 0x06c3
- {0, 0, 0, 0}, // 0x06c4
- {0, 0, 0, 0}, // 0x06c5
- {0, 0, 0, 0}, // 0x06c6
- {0, 0, 0, 0}, // 0x06c7
- {0, 0, 0, 0}, // 0x06c8
- {0, 0, 0, 0}, // 0x06c9
- {0, 0, 0, 0}, // 0x06ca
- {0, 0, 0, 0}, // 0x06cb
- {0xfbfc, 0xfbfd, 0xfbfe, 0xfbff} // 0x06cc = farsi yeh
-};
-
-
-char_type const arabic_start = 0x0621;
-char_type const arabic_end = 0x06cc;
-
-
typedef map<char_type, CharInfo> CharInfoMap;
CharInfoMap unicodesymbols;
CharInfo::CharInfo(
- docstring const textcommand, docstring const mathcommand,
- std::string const textpreamble, std::string const mathpreamble,
- std::string const tipashortcut, unsigned int flags)
+ docstring const & textcommand, docstring const & mathcommand,
+ std::string const & textpreamble, std::string const & mathpreamble,
+ std::string const & tipashortcut, unsigned int flags)
: textcommand_(textcommand), mathcommand_(mathcommand),
textpreamble_(textpreamble), mathpreamble_(mathpreamble),
tipashortcut_(tipashortcut), flags_(flags)
}
-pair<docstring, docstring> Encoding::latexString(docstring const input, bool dryrun) const
+pair<docstring, docstring> Encoding::latexString(docstring const & input, bool dryrun) const
{
docstring result;
docstring uncodable;
if (j + 1 < cmdend && cmd[j + 1] == '{') {
size_t k = j + 1;
int count = 1;
- while (k < cmdend && count && k != docstring::npos) {
+ while (k < cmdend && count) {
k = cmd.find_first_of(from_ascii("{}"), k + 1);
+ // braces may not be balanced
+ if (k == docstring::npos)
+ break;
if (cmd[k] == '{')
++count;
else
k < cmdend && cmd[k] == '{') {
size_t l = k;
int count = 1;
- while (l < cmdend && count && l != docstring::npos) {
+ while (l < cmdend && count) {
l = cmd.find_first_of(from_ascii("{}"), l + 1);
+ // braces may not be balanced
+ if (l == docstring::npos)
+ break;
if (cmd[l] == '{')
++count;
else
}
-bool Encodings::isHebrewComposeChar(char_type c)
-{
- return c <= 0x05c2 && c >= 0x05b0 && c != 0x05be && c != 0x05c0;
-}
-
-
-// Special Arabic letters are ones that do not get connected from left
-// they are hamza, alef_madda, alef_hamza, waw_hamza, alef_hamza_under,
-// alef, tah_marbota, dal, thal, rah, zai, wow, alef_maksoura
-
-bool Encodings::isArabicSpecialChar(char_type c)
-{
- return (c >= 0x0621 && c <= 0x0625) || (c >= 0x0630 && c <= 0x0632)
- || c == 0x0627 || c == 0x0629 || c == 0x062f || c == 0x0648
- || c == 0x0649 || c == 0x0698;
-}
-
-
-bool Encodings::isArabicComposeChar(char_type c)
-{
- return c >= 0x064b && c <= 0x0652;
-}
-
-
-bool Encodings::isArabicChar(char_type c)
-{
- return c >= arabic_start && c <= arabic_end
- && arabic_table[c-arabic_start][0];
-}
-
-
CharInfo const & Encodings::unicodeCharInfo(char_type c)
{
static CharInfo empty;
}
-char_type Encodings::transformChar(char_type c, Encodings::LetterForm form)
-{
- return isArabicChar(c) ? arabic_table[c-arabic_start][form] : c;
-}
-
-
bool Encodings::isCombiningChar(char_type c)
{
CharInfoMap::const_iterator const it = unicodesymbols.find(c);
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