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Diffstat (limited to 'include/qpdf/QUtil.hh')
| -rw-r--r-- | include/qpdf/QUtil.hh | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/qpdf/QUtil.hh b/include/qpdf/QUtil.hh index ea3f5da8..d9b0783e 100644 --- a/include/qpdf/QUtil.hh +++ b/include/qpdf/QUtil.hh @@ -193,6 +193,20 @@ namespace QUtil QPDF_DLL std::string pdf_doc_to_utf8(std::string const& pdfdoc); + // Analyze a string for encoding. We can't tell the difference + // between any single-byte encodings, and we can't tell for sure + // whether a string that happens to be valid UTF-8 isn't a + // different encoding, but we can at least tell a few things to + // help us guess. If there are no characters with the high bit + // set, has_8bit_chars is false, and the other values are also + // false, even though ASCII strings are valid UTF-8. is_valid_utf8 + // means that the string is non-trivially valid UTF-8. + QPDF_DLL + void analyze_encoding(std::string const& str, + bool& has_8bit_chars, + bool& is_valid_utf8, + bool& is_utf16); + // If secure random number generation is supported on your // platform and qpdf was not compiled with insecure random number // generation, this returns a cryptographically secure random |