Esempio n. 1
0
static int
processUcsCharOperands (DataFile *file, void *data) {
  TextTableData *ttd = data;
  DataOperand string;

  if (getDataOperand(file, &string, "character string")) {
    if (string.length == 1) {
      DataOperand representation;

      if (getDataOperand(file, &representation, "braille representation")) {
        if (representation.length == 1) {
          unsigned char dots;

          if (testBrailleRepresentation(file, representation.characters[0], &dots)) {
            if (!setTextTableCharacter(ttd, string.characters[0], dots)) return 0;
          }
        } else {
          reportDataError(file, "multi-cell braille representation not supported");
        }
      }
    } else {
      reportDataError(file, "multi-character string not supported");
    }
  }

  return 1;
}
Esempio n. 2
0
static int
processPropertyAssignment (
  DataFile *file,
  const DataString *name,
  char **value,
  const ProfileActivationData *pad
) {
  unsigned int index;

  for (index=0; index<pad->profile->properties.count; index+=1) {
    if (isKeyword(pad->profile->properties.array[index].name, name->characters, name->length)) {
      char **v = &pad->values[index];

      if (*v) {
        reportDataError(file, "property assigned more than once: %s:%.*"PRIws,
                        pad->profile->category, name->length, name->characters);
        free(*v);
      }

      *v = *value;
      *value = NULL;
      return 1;
    }
  }

  reportDataError(file, "unknown property: %s:%.*"PRIws,
                  pad->profile->category, name->length, name->characters);
  return 1;
}
Esempio n. 3
0
static int
getUnicodeCharacter (DataFile *file, wchar_t *character, const char *description) {
  DataOperand string;

  if (getDataOperand(file, &string, description)) {
    if (string.length > 2) {
      if ((string.characters[0] == WC_C('U')) &&
          (string.characters[1] == WC_C('+'))) {
        const wchar_t *digit = &string.characters[2];
        int length = string.length - 2;

        *character = 0;
        while (length) {
          int value;
          int shift;
          if (!isHexadecimalDigit(*digit++, &value, &shift)) break;

          *character <<= shift;
          *character |= value;
          length -= 1;
        }
        if (!length) return 1;
      }
    }

    reportDataError(file, "invalid Unicode character: %.*" PRIws,
                    string.length, string.characters);
  }

  return 0;
}
Esempio n. 4
0
static int
testBrailleRepresentation (DataFile *file, wchar_t representation, unsigned char *dots) {
  if ((representation & ~UNICODE_CELL_MASK) == UNICODE_BRAILLE_ROW) {
    *dots = representation & UNICODE_CELL_MASK;
    return 1;
  } else {
    reportDataError(file, "invalid braille representation");
  }

  return 0;
}
Esempio n. 5
0
static DATA_OPERANDS_PROCESSOR(processEncodingOperands) {
  DataOperand encoding;

  if (getDataOperand(file, &encoding, "character encoding name")) {
    if (!isKeyword(WS_C("UTF-8"), encoding.characters, encoding.length)) {
      reportDataError(file, "unsupported character encoding: %.*" PRIws,
                      encoding.length, encoding.characters);
    }
  }

  return 1;
}
Esempio n. 6
0
static int
processEncodingOperands (DataFile *file, void *data) {
  DataOperand encoding;

  if (getDataOperand(file, &encoding, "character encoding name")) {
    if (!isKeyword(WS_C("UTF-8"), encoding.characters, encoding.length)) {
      reportDataError(file, "unsupported character encoding: %.*" PRIws,
                      encoding.length, encoding.characters);
    }
  }

  return 1;
}
Esempio n. 7
0
static DATA_OPERANDS_PROCESSOR(processUcsBlockOperands) {
  DataOperand action;

  if (getDataOperand(file, &action, "UCS block action")) {
    const wchar_t *expected = inUcsBlock? WS_C("END"): WS_C("START");

    if (isKeyword(expected, action.characters, action.length)) {
      inUcsBlock = !inUcsBlock;
    } else {
      reportDataError(file, "unexpected UCS block action: %.*" PRIws " (expecting %" PRIws ")",
                      action.length, action.characters, expected);
    }
  }

  return 1;
}
Esempio n. 8
0
static int
getCharacterOperand (DataFile *file, wchar_t *character) {
  DataString string;
  const char *description = "unicode character";

  if (getDataString(file, &string, 0, description)) {
    if (!(string.characters[0] & ~UNICODE_CHARACTER_MASK)) {
      *character = string.characters[0];
      return 1;
    } else {
      reportDataError(file, "invalid %s: %.*" PRIws,
                      description, string.length, string.characters);
    }
  }

  return 0;
}
Esempio n. 9
0
static int
getByteOperand (DataFile *file, unsigned char *byte) {
  DataString string;
  const char *description = "local character";

  if (getDataString(file, &string, 1, description)) {
    if ((string.length == 1) && iswLatin1(string.characters[0])) {
      *byte = string.characters[0];
      return 1;
    } else {
      reportDataError(file, "invalid %s: %.*" PRIws,
                      description, string.length, string.characters);
    }
  }

  return 0;
}
Esempio n. 10
0
static int
getDotsOperand (DataFile *file, unsigned char *dots) {
  if (findDataOperand(file, "cell")) {
    wchar_t character;

    if (getDataCharacter(file, &character)) {
      int noDots = 0;
      wchar_t enclosed = (character == WC_C('('))? WC_C(')'):
                         0;
      *dots = 0;

      if (!enclosed) {
        if (wcschr(WS_C("0"), character)) {
          noDots = 1;
        } else {
          ungetDataCharacters(file, 1);
        }
      }

      while (getDataCharacter(file, &character)) {
        int space = iswspace(character);

        if (enclosed) {
          if (character == enclosed) {
            enclosed = 0;
            break;
          }

          if (space) continue;
        } else if (space) {
          ungetDataCharacters(file, 1);
          break;
        }

        {
          int dot;

          if (noDots || !brlDotNumberToIndex(character, &dot)) {
            reportDataError(file, "invalid dot number: %.1" PRIws, &character);
            return 0;
          }

          {
            unsigned char bit = brlDotBits[dot];

            if (*dots & bit) {
              reportDataError(file, "duplicate dot number: %.1" PRIws, &character);
              return 0;
            }

            *dots |= bit;
          }
        }
      }

      if (enclosed) {
        reportDataError(file, "incomplete cell");
        return 0;
      }

      return 1;
    }
  }

  return 0;
}