diff options
Diffstat (limited to 'libqpdf/QPDF_String.cc')
| -rw-r--r-- | libqpdf/QPDF_String.cc | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/libqpdf/QPDF_String.cc b/libqpdf/QPDF_String.cc index 386d7672..3886b399 100644 --- a/libqpdf/QPDF_String.cc +++ b/libqpdf/QPDF_String.cc @@ -2,9 +2,8 @@ #include <qpdf/QUtil.hh> -// DO NOT USE ctype -- it is locale dependent for some things, and -// it's not worth the risk of including it in case it may accidentally -// be used. +// DO NOT USE ctype -- it is locale dependent for some things, and it's not worth the risk of +// including it in case it may accidentally be used. static bool is_iso_latin1_printable(char ch) @@ -62,8 +61,7 @@ QPDF_String::getJSON(int json_version) } else if (!useHexString()) { std::string test; if (QUtil::utf8_to_pdf_doc(candidate, test, '?') && (test == this->val)) { - // This is a PDF-doc string that can be losslessly encoded - // as Unicode. + // This is a PDF-doc string that can be losslessly encoded as Unicode. is_unicode = true; result = candidate; } @@ -79,9 +77,8 @@ QPDF_String::getJSON(int json_version) bool QPDF_String::useHexString() const { - // Heuristic: use the hexadecimal representation of a string if - // there are any non-printable (in PDF Doc encoding) characters or - // if too large of a proportion of the string consists of + // Heuristic: use the hexadecimal representation of a string if there are any non-printable (in + // PDF Doc encoding) characters or if too large of a proportion of the string consists of // non-ASCII characters. unsigned int non_ascii = 0; for (auto const ch: this->val) { @@ -172,8 +169,8 @@ QPDF_String::getUTF8Val() const if (QUtil::is_utf16(this->val)) { return QUtil::utf16_to_utf8(this->val); } else if (QUtil::is_explicit_utf8(this->val)) { - // PDF 2.0 allows UTF-8 strings when explicitly prefixed with - // the three-byte representation of U+FEFF. + // PDF 2.0 allows UTF-8 strings when explicitly prefixed with the three-byte representation + // of U+FEFF. return this->val.substr(3); } else { return QUtil::pdf_doc_to_utf8(this->val); |