static int
getTable (TextTable **table, const char *name) {
const char *directory = opt_tablesDirectory;
*table = NULL;
if (strcmp(name, tableName_unicode) != 0) {
char *allocated = NULL;
if (strcmp(name, tableName_autoselect) == 0) {
if (!(name = allocated = selectTextTable(directory))) {
logMessage(LOG_ERR, "cannot find text table for current locale");
}
}
if (name) {
char *path = makeTextTablePath(directory, name);
if (path) {
*table = compileTextTable(path);
free(path);
}
}
if (allocated) free(allocated);
if (opt_noBaseCharacters) setTryBaseCharacter(*table, 0);
if (!*table) return 0;
}
return 1;
}
int
replaceTextTable (const char *directory, const char *name) {
TextTable *newTable = NULL;
if (name) {
char *path;
if ((path = makeTextTablePath(directory, name))) {
logMessage(LOG_DEBUG, "compiling text table: %s", path);
if (!(newTable = compileTextTable(path))) {
logMessage(LOG_ERR, "%s: %s", gettext("cannot compile text table"), path);
}
free(path);
}
} else {
newTable = &internalTextTable;
}
if (newTable) {
TextTable *oldTable = textTable;
textTable = newTable;
destroyTextTable(oldTable);
return 1;
}
logMessage(LOG_ERR, "%s: %s", gettext("cannot load text table"), name);
return 0;
}
static int
testTextTable (const char *directory, char *name) {
int exists = 0;
char *path;
if ((path = makeTextTablePath(directory, name))) {
logMessage(LOG_DEBUG, "checking for text table: %s", path);
if (testFilePath(path)) exists = 1;
free(path);
}
return exists;
}
unsigned char
convertCharacterToDots (TextTable *table, wchar_t character) {
switch (character & ~UNICODE_CELL_MASK) {
case UNICODE_BRAILLE_ROW:
return character & UNICODE_CELL_MASK;
case 0XF000: {
wint_t wc = convertCharToWchar(character & UNICODE_CELL_MASK);
if (wc == WEOF) goto unknownCharacter;
character = wc;
}
default: {
{
SetBrailleRepresentationData sbr = {
.table = table,
.dots = 0
};
if (handleBestCharacter(character, setBrailleRepresentation, &sbr)) {
return sbr.dots;
}
}
unknownCharacter:
{
const unsigned char *cell;
if ((cell = getUnicodeCellEntry(table, UNICODE_REPLACEMENT_CHARACTER))) return *cell;
if ((cell = getUnicodeCellEntry(table, WC_C('?')))) return *cell;
}
return BRL_DOT1 | BRL_DOT2 | BRL_DOT3 | BRL_DOT4 | BRL_DOT5 | BRL_DOT6 | BRL_DOT7 | BRL_DOT8;
}
}
}
wchar_t
convertDotsToCharacter (TextTable *table, unsigned char dots) {
const TextTableHeader *header = table->header.fields;
if (BITMASK_TEST(header->dotsCharacterDefined, dots)) return header->dotsToCharacter[dots];
return UNICODE_REPLACEMENT_CHARACTER;
}
int
replaceTextTable (const char *directory, const char *name) {
int ok = 0;
char *path;
if ((path = makeTextTablePath(directory, name))) {
TextTable *newTable;
logMessage(LOG_DEBUG, "compiling text table: %s", path);
if ((newTable = compileTextTable(path))) {
TextTable *oldTable = textTable;
textTable = newTable;
destroyTextTable(oldTable);
ok = 1;
} else {
logMessage(LOG_ERR, "%s: %s", gettext("cannot compile text table"), path);
}
free(path);
}
if (!ok) logMessage(LOG_ERR, "%s: %s", gettext("cannot load text table"), name);
return ok;
}
