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html: add (un)escaping function variants

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This commit is contained in:
Simon Rozman 2023-12-07 12:26:41 +01:00
parent b15ab697c2
commit 0d3785850b
1 changed files with 179 additions and 11 deletions
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190
include/stdex/html.hpp
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@ -40,7 +40,7 @@ namespace stdex
template<class _Traits = std::char_traits<char>, class _Alloc = std::allocator<char>>
inline void escape(
_Inout_ std::basic_string<char, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i]; ++i) {
@ -67,7 +67,7 @@ namespace stdex
template<class _Traits = std::char_traits<wchar_t>, class _Alloc = std::allocator<wchar_t>>
inline void escape(
_Inout_ std::basic_string<wchar_t, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const wchar_t* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const wchar_t* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i]; ++i) {
@ -84,6 +84,34 @@ namespace stdex
}
}
///
/// Appends HTML escaped string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Elem, size_t _Size, class _Traits = std::char_traits<_Elem>, class _Alloc = std::allocator<_Elem>>
inline void escape(
_Inout_ std::basic_string<_Elem, _Traits, _Alloc>& dst,
_In_ const _Elem (&src)[_Size])
{
escape(dst, src, _Size);
}
///
/// Appends HTML escaped string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Elem, class _Traits_dst = std::char_traits<_Elem>, class _Alloc_dst = std::allocator<_Elem>, class _Traits_src = std::char_traits<_Elem>, class _Alloc_src = std::allocator<_Elem>>
inline void escape(
_Inout_ std::basic_string<_Elem, _Traits_dst, _Alloc_dst>& dst,
_In_ const std::basic_string<_Elem, _Traits_src, _Alloc_src>& src)
{
escape(dst, src.data(), src.size());
}
///
/// Appends HTML escaped character
///
@ -130,7 +158,7 @@ namespace stdex
template<class _Traits = std::char_traits<char>, class _Alloc = std::allocator<char>>
inline void escape_min(
_Inout_ std::basic_string<char, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i]; ++i) {
@ -154,7 +182,7 @@ namespace stdex
template<class _Traits = std::char_traits<wchar_t>, class _Alloc = std::allocator<wchar_t>>
inline void escape_min(
_Inout_ std::basic_string<wchar_t, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const wchar_t* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const wchar_t* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i]; ++i) {
@ -168,6 +196,34 @@ namespace stdex
}
}
///
/// Appends HTML escaped string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Elem, size_t _Size, class _Traits = std::char_traits<_Elem>, class _Alloc = std::allocator<_Elem>>
inline void escape_min(
_Inout_ std::basic_string<_Elem, _Traits, _Alloc>& dst,
_In_ const _Elem (&src)[_Size])
{
escape_min(dst, src, _Size);
}
///
/// Appends HTML escaped string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Elem, class _Traits_dst = std::char_traits<_Elem>, class _Alloc_dst = std::allocator<_Elem>, class _Traits_src = std::char_traits<_Elem>, class _Alloc_src = std::allocator<_Elem>>
inline void escape_min(
_Inout_ std::basic_string<_Elem, _Traits_dst, _Alloc_dst>& dst,
_In_ const std::basic_string<_Elem, _Traits_src, _Alloc_src>& src)
{
escape_min(dst, src.data(), src.size());
}
///
/// Appends unescaped URL string
///
@ -178,7 +234,7 @@ namespace stdex
template<class _Traits = std::char_traits<char>, class _Alloc = std::allocator<char>>
inline void url_unescape(
_Inout_ std::basic_string<char, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i];) {
@ -210,6 +266,34 @@ namespace stdex
}
}
///
/// Appends unescaped URL string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<size_t _Size, class _Traits = std::char_traits<char>, class _Alloc = std::allocator<char>>
inline void url_unescape(
_Inout_ std::basic_string<char, _Traits, _Alloc>& dst,
_In_ const char (&src)[_Size])
{
url_unescape(dst, src, _Size);
}
///
/// Appends unescaped URL string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Traits_dst = std::char_traits<char>, class _Alloc_dst = std::allocator<char>, class _Traits_src = std::char_traits<char>, class _Alloc_src = std::allocator<char>>
inline void url_unescape(
_Inout_ std::basic_string<char, _Traits_dst, _Alloc_dst>& dst,
_In_ const std::basic_string<char, _Traits_src, _Alloc_src>& src)
{
url_unescape(dst, src.data(), src.size());
}
///
/// Appends escaped URL string
///
@ -220,7 +304,7 @@ namespace stdex
template<class _Traits = std::char_traits<char>, class _Alloc = std::allocator<char>>
inline void url_escape(
_Inout_ std::basic_string<char, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i]; ++i) {
@ -261,6 +345,34 @@ namespace stdex
}
}
///
/// Appends escaped URL string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<size_t _Size, class _Traits = std::char_traits<char>, class _Alloc = std::allocator<char>>
inline void url_escape(
_Inout_ std::basic_string<char, _Traits, _Alloc>& dst,
_In_ const char (&src)[_Size])
{
url_escape(dst, src, _Size);
}
///
/// Appends escaped URL string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Traits_dst = std::char_traits<char>, class _Alloc_dst = std::allocator<char>, class _Traits_src = std::char_traits<char>, class _Alloc_src = std::allocator<char>>
inline void url_escape(
_Inout_ std::basic_string<char, _Traits_dst, _Alloc_dst>& dst,
_In_ const std::basic_string<char, _Traits_src, _Alloc_src>& src)
{
url_escape(dst, src.data(), src.size());
}
///
/// Appends unescaped CSS string
///
@ -271,7 +383,7 @@ namespace stdex
template<class _Elem, class _Traits = std::char_traits<_Elem>, class _Alloc = std::allocator<_Elem>>
inline void css_unescape(
_Inout_ std::basic_string<_Elem, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const _Elem* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const _Elem* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i];) {
@ -331,6 +443,34 @@ namespace stdex
}
}
///
/// Appends unescaped CSS string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Elem, size_t _Size, class _Traits = std::char_traits<_Elem>, class _Alloc = std::allocator<_Elem>>
inline void css_unescape(
_Inout_ std::basic_string<_Elem, _Traits, _Alloc>& dst,
_In_ const _Elem (&src)[_Size])
{
css_unescape(dst, src, _Size);
}
///
/// Appends unescaped CSS string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Elem, class _Traits_dst = std::char_traits<_Elem>, class _Alloc_dst = std::allocator<_Elem>, class _Traits_src = std::char_traits<_Elem>, class _Alloc_src = std::allocator<_Elem>>
inline void css_unescape(
_Inout_ std::basic_string<_Elem, _Traits_dst, _Alloc_dst>& dst,
_In_ const std::basic_string<_Elem, _Traits_src, _Alloc_src>& src)
{
css_unescape(dst, src.data(), src.size());
}
///
/// Appends escaped CSS string
///
@ -341,7 +481,7 @@ namespace stdex
template<class _Traits = std::char_traits<char>, class _Alloc = std::allocator<char>>
inline void css_escape(
_Inout_ std::basic_string<char, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const char* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i]; ++i) {
@ -367,7 +507,7 @@ namespace stdex
template<class _Traits = std::char_traits<wchar_t>, class _Alloc = std::allocator<wchar_t>>
inline void css_escape(
_Inout_ std::basic_string<wchar_t, _Traits, _Alloc>& dst,
_In_reads_or_z_opt_(num_chars) const wchar_t* src, _In_ size_t num_chars = SIZE_MAX)
_In_reads_or_z_opt_(num_chars) const wchar_t* src, _In_ size_t num_chars)
{
_Assume_(src || !num_chars);
for (size_t i = 0; i < num_chars && src[i]; ++i) {
@ -383,6 +523,34 @@ namespace stdex
}
}
///
/// Appends escaped CSS string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Elem, size_t _Size, class _Traits = std::char_traits<_Elem>, class _Alloc = std::allocator<_Elem>>
inline void css_escape(
_Inout_ std::basic_string<_Elem, _Traits, _Alloc>& dst,
_In_ const _Elem (&src)[_Size])
{
css_escape(dst, src, _Size);
}
///
/// Appends escaped CSS string
///
/// \param[in,out] dst String to append to
/// \param[in] src Source string
///
template<class _Elem, class _Traits_dst = std::char_traits<_Elem>, class _Alloc_dst = std::allocator<_Elem>, class _Traits_src = std::char_traits<_Elem>, class _Alloc_src = std::allocator<_Elem>>
inline void css_escape(
_Inout_ std::basic_string<_Elem, _Traits_dst, _Alloc_dst>& dst,
_In_ const std::basic_string<_Elem, _Traits_src, _Alloc_src>& src)
{
css_escape(dst, src.data(), src.size());
}
///
/// HTML element type
///
@ -1469,7 +1637,7 @@ namespace stdex
///
/// Parses HTML source code by chunks
///
void append(_In_reads_or_z_opt_(num_chars) const _Elem* source, _In_ size_t num_chars = SIZE_MAX)
void append(_In_reads_or_z_opt_(num_chars) const _Elem* source, _In_ size_t num_chars)
{
_Assume_(source || !num_chars);
m_source.append(source, stdex::strnlen(source, num_chars));
@ -1692,7 +1860,7 @@ namespace stdex
///
/// Parses HTML document source code
///
inline void assign(_In_reads_or_z_opt_(num_chars) const _Elem* source, _In_ size_t num_chars = SIZE_MAX)
inline void assign(_In_reads_or_z_opt_(num_chars) const _Elem* source, _In_ size_t num_chars)
{
clear();
append(source, num_chars);