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Embedded version of Clara with TextFlow fix for embedded newlines

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This commit is contained in:
Phil Nash
2017-07-20 19:42:06 +01:00
parent f0890dcdf8
commit b2a4dfcda4
2 changed files with 28 additions and 14 deletions
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21
third_party/clara.hpp vendored
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@@ -33,8 +33,7 @@
#endif
namespace clara { namespace TextFlow
{
namespace clara { namespace TextFlow {
inline auto isWhitespace( char c ) -> bool {
static std::string chars = " \t\n\r";
@@ -66,6 +65,7 @@ namespace clara { namespace TextFlow
size_t m_pos = 0;
size_t m_len = 0;
size_t m_end = 0;
bool m_suffix = false;
iterator( Column const& column, size_t stringIndex )
@@ -90,8 +90,12 @@ namespace clara { namespace TextFlow
m_suffix = false;
auto width = m_column.m_width-indent();
if( line().size() < m_pos + width ) {
m_len = line().size() - m_pos;
m_end = m_pos;
while( m_end < line().size() && line()[m_end] != '\n' )
++m_end;
if( m_end < m_pos + width ) {
m_len = m_end - m_pos;
}
else {
size_t len = width;
@@ -129,15 +133,18 @@ namespace clara { namespace TextFlow
auto operator *() const -> std::string {
assert( m_stringIndex < m_column.m_strings.size() );
assert( m_pos < line().size() );
if( m_pos + m_column.m_width < line().size() )
assert( m_pos < m_end );
if( m_pos + m_column.m_width < m_end )
return addIndentAndSuffix(line().substr(m_pos, m_len));
else
return addIndentAndSuffix(line().substr(m_pos));
return addIndentAndSuffix(line().substr(m_pos, m_end - m_pos));
}
auto operator ++() -> iterator& {
m_pos += m_len;
if( m_pos < line().size() && line()[m_pos] == '\n' )
m_pos += 1;
while( m_pos < line().size() && isWhitespace( line()[m_pos] ) )
++m_pos;