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perform case insensitive searching in text fields

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This commit is contained in:
Andrzej Rybczak
2009-11-23 20:18:57 +01:00
parent 5aa1613cfb
commit 6cd420511d
8 changed files with 37 additions and 31 deletions
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35
src/strbuffer.h
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@@ -21,6 +21,7 @@
#ifndef _STRBUFFER_H
#define _STRBUFFER_H
#include "tolower.h"
#include "window.h"
#include <sstream>
@@ -85,23 +86,25 @@ namespace NCurses
/// @param val_b flag set at the beginning of found occurence of string
/// @param s string that function seaches for
/// @param val_e flag set at the end of found occurence of string
/// @param case_sensitive indicates whether algorithm should care about case sensitivity
/// @param for_each indicates whether function searches through whole buffer and sets
/// the format for all occurences of given string or stops after the first one
/// @return true if at least one occurence of the string was found, false otherwise
///
bool SetFormatting(short val_b, const std::basic_string<C> &s,
short val_e, bool for_each = 1);
bool SetFormatting(short val_b, std::basic_string<C> s, short val_e,
bool case_sensitive, bool for_each = 1);
/// Searches for given string in buffer and removes given
/// format/color from the beginning and end of its occurence
/// @param val_b flag to be removed from the beginning of the string
/// @param s string that function seaches for
/// @param val_e flag to be removed from the end of the string
/// @param case_sensitive indicates whether algorithm should care about case sensitivity
/// @param for_each indicates whether function searches through whole buffer and removes
/// given format from all occurences of given string or stops after the first one
///
void RemoveFormatting(short val_b, const std::basic_string<C> &s,
short val_e, bool for_each = 1);
void RemoveFormatting(short val_b, std::basic_string<C> pattern, short val_e,
bool case_sensitive, bool for_each = 1);
/// Sets the pointer to string, that will be passed in operator<<() to window
/// object instead of the internal buffer. This is useful if you took the content
@@ -187,8 +190,9 @@ template <typename C> std::basic_string<C> NCurses::basic_buffer<C>::Str() const
}
template <typename C> bool NCurses::basic_buffer<C>::SetFormatting( short val_b,
const std::basic_string<C> &s,
std::basic_string<C> s,
short val_e,
bool case_sensitive,
bool for_each
)
{
@@ -196,8 +200,12 @@ template <typename C> bool NCurses::basic_buffer<C>::SetFormatting( short val_b,
return false;
bool result = false;
std::basic_string<C> base = itsString.str();
if (!case_sensitive)
{
ToLower(s);
ToLower(base);
}
FormatPos fp;
for (size_t i = base.find(s); i != std::basic_string<C>::npos; i = base.find(s, i))
{
result = true;
@@ -216,22 +224,27 @@ template <typename C> bool NCurses::basic_buffer<C>::SetFormatting( short val_b,
}
template <typename C> void NCurses::basic_buffer<C>::RemoveFormatting( short val_b,
const std::basic_string<C> &s,
std::basic_string<C> pattern,
short val_e,
bool case_sensitive,
bool for_each
)
{
if (s.empty())
if (pattern.empty())
return;
std::basic_string<C> base = itsString.str();
if (!case_sensitive)
{
ToLower(pattern);
ToLower(base);
}
FormatPos fp;
for (size_t i = base.find(s); i != std::basic_string<C>::npos; i = base.find(s, i))
for (size_t i = base.find(pattern); i != std::basic_string<C>::npos; i = base.find(pattern, i))
{
fp.Value = val_b;
fp.Position = i;
itsFormat.remove(fp);
i += s.length();
i += pattern.length();
fp.Value = val_e;
fp.Position = i;
itsFormat.remove(fp);