X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fmemory.cpp;h=f64b4be9e52edcb6fcae3bb94c99d69595fd4e80;hp=fa8f9053de029e3965f1fd4c261a43e6c4a69c1c;hb=3f7aa81d9212811b323d89949adcccda212cbed3;hpb=82d74297d5b469b0a506d7010a84ab5115cd88ee diff --git a/source/io/memory.cpp b/source/io/memory.cpp index fa8f905..f64b4be 100644 --- a/source/io/memory.cpp +++ b/source/io/memory.cpp @@ -8,14 +8,14 @@ using namespace std; namespace Msp { namespace IO { -Memory::Memory(char *d, unsigned s) +Memory::Memory(char *d, unsigned s, Mode m) { - init(d, d+s, M_RDWR); + init(d, d+s, m); } -Memory::Memory(char *b, char *e) +Memory::Memory(char *b, char *e, Mode m) { - init(b, e, M_RDWR); + init(b, e, m); } Memory::Memory(const char *cd, unsigned s) @@ -49,6 +49,8 @@ unsigned Memory::do_write(const char *buf, unsigned size) unsigned Memory::do_read(char *buf, unsigned size) { + check_access(M_READ); + if(pos==end) { set_eof(); @@ -64,21 +66,34 @@ unsigned Memory::do_read(char *buf, unsigned size) unsigned Memory::put(char c) { check_access(M_WRITE); + + if(pos==end) + return 0; + *pos++ = c; return 1; } bool Memory::getline(string &line) { + check_access(M_READ); + + if(pos==end) + { + set_eof(); + return false; + } + char *nl = find(pos, end, '\n'); line.assign(pos, nl); - bool result = (nl!=pos); - pos = nl; - return result; + pos = (nl==end ? end : nl+1); + return true; } int Memory::get() { + check_access(M_READ); + if(pos==end) { set_eof(); @@ -104,6 +119,7 @@ SeekOffset Memory::seek(SeekOffset off, SeekType type) throw out_of_range("Memory::seek"); pos = new_pos; + eof_flag = false; return pos-begin; }