diff --git a/libmaxsi/Makefile b/libmaxsi/Makefile index e2e088ef..a2334125 100644 --- a/libmaxsi/Makefile +++ b/libmaxsi/Makefile @@ -39,6 +39,7 @@ dir.o \ fddir-sortix.o \ setjmp.o \ sortix-sound.o \ +readparamstring.o \ process.o \ thread.o \ io.o \ diff --git a/libmaxsi/include/readparamstring.h b/libmaxsi/include/readparamstring.h new file mode 100644 index 00000000..fe9fe7dc --- /dev/null +++ b/libmaxsi/include/readparamstring.h @@ -0,0 +1,36 @@ +/******************************************************************************* + + Copyright(C) Jonas 'Sortie' Termansen 2012. + + This file is part of LibMaxsi. + + LibMaxsi is free software: you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License as published by the Free + Software Foundation, either version 3 of the License, or (at your option) + any later version. + + LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more + details. + + You should have received a copy of the GNU Lesser General Public License + along with LibMaxsi. If not, see . + + readparamstring.h + A kinda dirty hack to ease transition to the /dev/video API. + +*******************************************************************************/ + +#ifndef _READPARAMSTRING_H +#define _READPARAMSTRING_H 1 + +#include + +__BEGIN_DECLS + +bool ReadParamString(const char* str, ...); + +__END_DECLS + +#endif diff --git a/libmaxsi/readparamstring.cpp b/libmaxsi/readparamstring.cpp new file mode 100644 index 00000000..e0c9dab8 --- /dev/null +++ b/libmaxsi/readparamstring.cpp @@ -0,0 +1,75 @@ +/******************************************************************************* + + Copyright(C) Jonas 'Sortie' Termansen 2012. + + This file is part of LibMaxsi. + + LibMaxsi is free software: you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License as published by the Free + Software Foundation, either version 3 of the License, or (at your option) + any later version. + + LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more + details. + + You should have received a copy of the GNU Lesser General Public License + along with LibMaxsi. If not, see . + + readparamstring.cpp + A kinda dirty hack to ease transition to the /dev/video API. + +*******************************************************************************/ + +#include +#include +#include +#include + +using namespace Maxsi; + +extern "C" bool ReadParamString(const char* str, ...) +{ + if ( String::Seek(str, '\n') ) { Error::Set(EINVAL); } + const char* keyname; + va_list args; + while ( *str ) + { + size_t varlen = String::Reject(str, ","); + if ( !varlen ) { str++; continue; } + size_t namelen = String::Reject(str, "="); + if ( !namelen ) { Error::Set(EINVAL); goto cleanup; } + if ( !str[namelen] ) { Error::Set(EINVAL); goto cleanup; } + if ( varlen < namelen ) { Error::Set(EINVAL); goto cleanup; } + size_t valuelen = varlen - 1 /*=*/ - namelen; + char* name = String::Substring(str, 0, namelen); + if ( !name ) { goto cleanup; } + char* value = String::Substring(str, namelen+1, valuelen); + if ( !value ) { delete[] name; goto cleanup; } + va_start(args, str); + while ( (keyname = va_arg(args, const char*)) ) + { + char** nameptr = va_arg(args, char**); + if ( String::Compare(keyname, name) ) { continue; } + *nameptr = value; + break; + } + va_end(args); + if ( !keyname ) { delete[] value; } + delete[] name; + str += varlen; + str += String::Accept(str, ","); + } + return true; + +cleanup: + va_start(args, str); + while ( (keyname = va_arg(args, const char*)) ) + { + char** nameptr = va_arg(args, char**); + delete[] *nameptr; *nameptr = NULL; + } + va_end(args); + return false; +}