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| author | David Robillard <d@drobilla.net> | 2011-12-23 23:23:19 +0000 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2011-12-23 23:23:19 +0000 |
| commit | 4f1cec5fd409fc7ba98ca0bb19af10a492a6af2a (patch) | |
| tree | 40de7868ba42b62f41a0f4e261496f4d3695c4e9 /src | |
| parent | 4b512a68903953e1372c3ad3b982eed72a7db681 (diff) | |
| download | serd-4f1cec5fd409fc7ba98ca0bb19af10a492a6af2a.tar.gz serd-4f1cec5fd409fc7ba98ca0bb19af10a492a6af2a.tar.bz2 serd-4f1cec5fd409fc7ba98ca0bb19af10a492a6af2a.zip | |
Escape ASCII control characters in output (e.g. fix problems with string
literals that start with a backspace).
git-svn-id: http://svn.drobilla.net/serd/trunk@263 490d8e77-9747-427b-9fa3-0b8f29cee8a0
Diffstat (limited to 'src')
| -rw-r--r-- | src/writer.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/writer.c b/src/writer.c index b9d80ce7..96f8d1e4 100644 --- a/src/writer.c +++ b/src/writer.c @@ -101,8 +101,7 @@ write_text(SerdWriter* writer, TextContext ctx, size_t j = i; for (; j < n_bytes; ++j) { if (utf8[j] == terminator || utf8[j] == '\\' || utf8[j] == '"' - || (((writer->style & SERD_STYLE_ASCII) || ctx == WRITE_URI) - && !in_range(utf8[j], 0x20, 0x7E))) { + || (!in_range(utf8[j], 0x20, 0x7E))) { break; } } @@ -146,10 +145,13 @@ write_text(SerdWriter* writer, TextContext ctx, if ((in & 0x80) == 0) { // Starts with `0' size = 1; c = in & 0x7F; - if (in_range(in, 0x20, 0x7E)) { // Printable ASCII - sink(&in, 1, writer); - continue; + if (in_range(c, 0x20, 0x7E) || (ctx != WRITE_URI && is_space(c))) { + sink(&in, 1, writer); // Print ASCII character + } else { + snprintf(escape, 7, "\\u%04X", c); + sink(escape, 6, writer); // Escape ASCII control character } + continue; } else if ((in & 0xE0) == 0xC0) { // Starts with `110' size = 2; c = in & 0x1F; @@ -164,10 +166,9 @@ write_text(SerdWriter* writer, TextContext ctx, return false; } - if ((ctx == WRITE_STRING || ctx == WRITE_LONG_STRING) - && !(writer->style & SERD_STYLE_ASCII)) { + if (ctx != WRITE_URI && !(writer->style & SERD_STYLE_ASCII)) { // Write UTF-8 character directly to UTF-8 output - // TODO: Scan to next escape and write entire range at once + // TODO: Always parse and validate character? sink(utf8 + i - 1, size, writer); i += size - 1; continue; |