1 #include "mystring.h"

     2 #include "trace.h"

     3 #include <ctype.h>

     4 #include <string.h>

     5 

     6 void mystring::dupnil()

     7 {

     8   trace("");

     9   rep = &nil;

    10   rep->attach();

    11 }

    12 

    13 void mystring::assign(const char* in)

    14 {

    15   if(in)

    16     assign(in, strlen(in));

    17   else {

    18     mystringrep* tmp = rep;

    19     dupnil();

    20     tmp->detach();

    21   }

    22 }

    23 

    24 void mystring::assign(const char* in, size_t len)

    25 {

    26   trace("in='" << in << "'");

    27   if(in != rep->buf) {

    28     mystringrep* tmp = rep;

    29     dup(in, len);

    30     tmp->detach();

    31   }

    32 }

    33 

    34 void mystring::dup(const char* in, size_t len)

    35 {

    36   trace("in='" << in << "'");

    37   rep = mystringrep::dup(in, len);

    38   rep->attach();

    39 }

    40 

    41 void mystring::dup(const char* in)

    42 {

    43   if(in)

    44     dup(in, strlen(in));

    45   else

    46     dupnil();

    47 }

    48 

    49 void mystring::operator=(const mystringjoin& in)

    50 {

    51   mystringrep* tmp = rep;

    52   rep = in.traverse();

    53   rep->attach();

    54   tmp->detach();

    55 }