Files
foobar2000-sdk/pfc/string8_impl.h
2021-12-14 00:28:25 -07:00

120 lines
2.7 KiB
C++

#pragma once
namespace pfc {
template<template<typename> class t_alloc>
void string8_t<t_alloc>::add_string(const char * ptr,t_size len)
{
if (m_data.is_owned(ptr)) {
add_string(string8(ptr,len));
} else {
len = strlen_max(ptr,len);
add_string_nc(ptr, len);
}
}
template<template<typename> class t_alloc>
void string8_t<t_alloc>::set_string(const char * ptr,t_size len) {
if (m_data.is_owned(ptr)) {
set_string_(string8(ptr,len));
} else {
len = strlen_max(ptr,len);
set_string_nc(ptr, len);
}
}
template<template<typename> class t_alloc>
void string8_t<t_alloc>::set_char(unsigned offset,char c)
{
if (!c) truncate(offset);
else if (offset<used) m_data[offset]=c;
}
template<template<typename> class t_alloc>
void string8_t<t_alloc>::fix_filename_chars(char def,char leave)//replace "bad" characters, leave parameter can be used to keep eg. path separators
{
t_size n;
for(n=0;n<used;n++)
if (m_data[n]!=leave && pfc::is_path_bad_char(m_data[n])) m_data[n]=def;
}
template<template<typename> class t_alloc>
void string8_t<t_alloc>::remove_chars(t_size first,t_size count)
{
if (first>used) first = used;
if (first+count>used) count = used-first;
if (count>0)
{
t_size n;
for(n=first+count;n<=used;n++)
m_data[n-count]=m_data[n];
used -= count;
makespace(used+1);
}
}
template<template<typename> class t_alloc>
void string8_t<t_alloc>::insert_chars(t_size first,const char * src, t_size count)
{
if (first > used) first = used;
makespace(used+count+1);
t_size n;
for(n=used;(int)n>=(int)first;n--)
m_data[n+count] = m_data[n];
for(n=0;n<count;n++)
m_data[first+n] = src[n];
used+=count;
}
template<template<typename> class t_alloc>
void string8_t<t_alloc>::insert_chars(t_size first,const char * src) {insert_chars(first,src,strlen(src));}
template<template<typename> class t_alloc>
t_size string8_t<t_alloc>::replace_nontext_chars(char p_replace)
{
t_size ret = 0;
for(t_size n=0;n<used;n++)
{
if ((unsigned char)m_data[n] < 32) {m_data[n] = p_replace; ret++; }
}
return ret;
}
template<template<typename> class t_alloc>
t_size string8_t<t_alloc>::replace_byte(char c1,char c2,t_size start)
{
PFC_ASSERT(c1 != 0); PFC_ASSERT(c2 != 0);
t_size n, ret = 0;
for(n=start;n<used;n++)
{
if (m_data[n] == c1) {m_data[n] = c2; ret++;}
}
return ret;
}
template<template<typename> class t_alloc>
t_size string8_t<t_alloc>::replace_char(unsigned c1,unsigned c2,t_size start)
{
if (c1 < 128 && c2 < 128) return replace_byte((char)c1,(char)c2,start);
string8 temp(get_ptr()+start);
truncate(start);
const char * ptr = temp;
t_size rv = 0;
while(*ptr)
{
unsigned test;
t_size delta = utf8_decode_char(ptr,test);
if (delta==0 || test==0) break;
if (test == c1) {test = c2;rv++;}
add_char(test);
ptr += delta;
}
return rv;
}
}