gem5/base/inifile.hh
Steve Reinhardt ad8b9636f8 Many files:
Update copyright dates and author list

SConscript:
arch/alpha/alpha_linux_process.cc:
arch/alpha/alpha_linux_process.hh:
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
arch/alpha/alpha_tru64_process.cc:
arch/alpha/alpha_tru64_process.hh:
arch/alpha/aout_machdep.h:
arch/alpha/arguments.cc:
arch/alpha/arguments.hh:
arch/alpha/ev5.cc:
arch/alpha/ev5.hh:
arch/alpha/faults.cc:
arch/alpha/faults.hh:
arch/alpha/isa_desc:
arch/alpha/isa_traits.hh:
arch/alpha/osfpal.cc:
arch/alpha/osfpal.hh:
arch/alpha/pseudo_inst.cc:
arch/alpha/pseudo_inst.hh:
arch/alpha/vptr.hh:
arch/alpha/vtophys.cc:
arch/alpha/vtophys.hh:
base/bitfield.hh:
base/callback.hh:
base/circlebuf.cc:
base/circlebuf.hh:
base/cprintf.cc:
base/cprintf.hh:
base/cprintf_formats.hh:
base/crc.hh:
base/date.cc:
base/dbl_list.hh:
base/endian.hh:
base/fast_alloc.cc:
base/fast_alloc.hh:
base/fifo_buffer.cc:
base/fifo_buffer.hh:
base/hashmap.hh:
base/hostinfo.cc:
base/hostinfo.hh:
base/hybrid_pred.cc:
base/hybrid_pred.hh:
base/inet.cc:
base/inet.hh:
base/inifile.cc:
base/inifile.hh:
base/intmath.cc:
base/intmath.hh:
base/match.cc:
base/match.hh:
base/misc.cc:
base/misc.hh:
base/mod_num.hh:
base/mysql.cc:
base/mysql.hh:
base/output.cc:
base/output.hh:
base/pollevent.cc:
base/pollevent.hh:
base/predictor.hh:
base/random.cc:
base/random.hh:
base/range.cc:
base/range.hh:
base/refcnt.hh:
base/remote_gdb.cc:
base/remote_gdb.hh:
base/res_list.hh:
base/sat_counter.cc:
base/sat_counter.hh:
base/sched_list.hh:
base/socket.cc:
base/socket.hh:
base/statistics.cc:
base/statistics.hh:
base/compression/lzss_compression.cc:
base/compression/lzss_compression.hh:
base/compression/null_compression.hh:
base/loader/aout_object.cc:
base/loader/aout_object.hh:
base/loader/ecoff_object.cc:
base/loader/ecoff_object.hh:
base/loader/elf_object.cc:
base/loader/elf_object.hh:
base/loader/object_file.cc:
base/loader/object_file.hh:
base/loader/symtab.cc:
base/loader/symtab.hh:
base/stats/events.cc:
base/stats/events.hh:
base/stats/flags.hh:
base/stats/mysql.cc:
base/stats/mysql.hh:
base/stats/mysql_run.hh:
base/stats/output.hh:
base/stats/statdb.cc:
base/stats/statdb.hh:
base/stats/text.cc:
base/stats/text.hh:
base/stats/types.hh:
base/stats/visit.cc:
base/stats/visit.hh:
base/str.cc:
base/str.hh:
base/time.cc:
base/time.hh:
base/timebuf.hh:
base/trace.cc:
base/trace.hh:
base/userinfo.cc:
base/userinfo.hh:
build/SConstruct:
cpu/base.cc:
cpu/base.hh:
cpu/base_dyn_inst.cc:
cpu/base_dyn_inst.hh:
cpu/exec_context.cc:
cpu/exec_context.hh:
cpu/exetrace.cc:
cpu/exetrace.hh:
cpu/inst_seq.hh:
cpu/intr_control.cc:
cpu/intr_control.hh:
cpu/memtest/memtest.cc:
cpu/pc_event.cc:
cpu/pc_event.hh:
cpu/smt.hh:
cpu/static_inst.cc:
cpu/static_inst.hh:
cpu/memtest/memtest.hh:
cpu/o3/sat_counter.cc:
cpu/o3/sat_counter.hh:
cpu/ozone/cpu.hh:
cpu/simple/cpu.cc:
cpu/simple/cpu.hh:
cpu/trace/opt_cpu.cc:
cpu/trace/opt_cpu.hh:
cpu/trace/reader/ibm_reader.cc:
cpu/trace/reader/ibm_reader.hh:
cpu/trace/reader/itx_reader.cc:
cpu/trace/reader/itx_reader.hh:
cpu/trace/reader/m5_reader.cc:
cpu/trace/reader/m5_reader.hh:
cpu/trace/reader/mem_trace_reader.cc:
cpu/trace/reader/mem_trace_reader.hh:
cpu/trace/trace_cpu.cc:
cpu/trace/trace_cpu.hh:
dev/alpha_access.h:
dev/alpha_console.cc:
dev/alpha_console.hh:
dev/baddev.cc:
dev/baddev.hh:
dev/disk_image.cc:
dev/disk_image.hh:
dev/etherbus.cc:
dev/etherbus.hh:
dev/etherdump.cc:
dev/etherdump.hh:
dev/etherint.cc:
dev/etherint.hh:
dev/etherlink.cc:
dev/etherlink.hh:
dev/etherpkt.cc:
dev/etherpkt.hh:
dev/ethertap.cc:
dev/ethertap.hh:
dev/ide_ctrl.cc:
dev/ide_ctrl.hh:
dev/ide_disk.cc:
dev/ide_disk.hh:
dev/io_device.cc:
dev/io_device.hh:
dev/ns_gige.cc:
dev/ns_gige.hh:
dev/ns_gige_reg.h:
dev/pciconfigall.cc:
dev/pciconfigall.hh:
dev/pcidev.cc:
dev/pcidev.hh:
dev/pcireg.h:
dev/pktfifo.cc:
dev/pktfifo.hh:
dev/platform.cc:
dev/platform.hh:
dev/simconsole.cc:
dev/simconsole.hh:
dev/simple_disk.cc:
dev/simple_disk.hh:
dev/sinic.cc:
dev/sinic.hh:
dev/sinicreg.hh:
dev/tsunami.cc:
dev/tsunami.hh:
dev/tsunami_cchip.cc:
dev/tsunami_cchip.hh:
dev/tsunami_io.cc:
dev/tsunami_io.hh:
dev/tsunami_pchip.cc:
dev/tsunami_pchip.hh:
dev/tsunamireg.h:
dev/uart.cc:
dev/uart.hh:
dev/uart8250.cc:
dev/uart8250.hh:
docs/stl.hh:
encumbered/cpu/full/op_class.hh:
kern/kernel_stats.cc:
kern/kernel_stats.hh:
kern/linux/linux.hh:
kern/linux/linux_syscalls.cc:
kern/linux/linux_syscalls.hh:
kern/linux/linux_system.cc:
kern/linux/linux_system.hh:
kern/linux/linux_threadinfo.hh:
kern/linux/printk.cc:
kern/linux/printk.hh:
kern/system_events.cc:
kern/system_events.hh:
kern/tru64/dump_mbuf.cc:
kern/tru64/dump_mbuf.hh:
kern/tru64/mbuf.hh:
kern/tru64/printf.cc:
kern/tru64/printf.hh:
kern/tru64/tru64.hh:
kern/tru64/tru64_events.cc:
kern/tru64/tru64_events.hh:
kern/tru64/tru64_syscalls.cc:
kern/tru64/tru64_syscalls.hh:
kern/tru64/tru64_system.cc:
kern/tru64/tru64_system.hh:
python/SConscript:
python/m5/__init__.py:
python/m5/config.py:
python/m5/convert.py:
python/m5/multidict.py:
python/m5/smartdict.py:
sim/async.hh:
sim/builder.cc:
sim/builder.hh:
sim/debug.cc:
sim/debug.hh:
sim/eventq.cc:
sim/eventq.hh:
sim/host.hh:
sim/main.cc:
sim/param.cc:
sim/param.hh:
sim/process.cc:
sim/process.hh:
sim/root.cc:
sim/serialize.cc:
sim/serialize.hh:
sim/sim_events.cc:
sim/sim_events.hh:
sim/sim_exit.hh:
sim/sim_object.cc:
sim/sim_object.hh:
sim/startup.cc:
sim/startup.hh:
sim/stat_control.cc:
sim/stat_control.hh:
sim/stats.hh:
sim/syscall_emul.cc:
sim/syscall_emul.hh:
sim/system.cc:
sim/system.hh:
test/bitvectest.cc:
test/circletest.cc:
test/cprintftest.cc:
test/genini.py:
test/initest.cc:
test/lru_test.cc:
test/nmtest.cc:
test/offtest.cc:
test/paramtest.cc:
test/rangetest.cc:
test/sized_test.cc:
test/stattest.cc:
test/strnumtest.cc:
test/symtest.cc:
test/tokentest.cc:
test/tracetest.cc:
util/ccdrv/devtime.c:
util/m5/m5.c:
util/oprofile-top.py:
util/rundiff:
util/m5/m5op.h:
util/m5/m5op.s:
util/stats/db.py:
util/stats/dbinit.py:
util/stats/display.py:
util/stats/info.py:
util/stats/print.py:
util/stats/stats.py:
util/tap/tap.cc:
    Update copyright dates and author list

--HG--
extra : convert_revision : 0faba08fc0fc0146f1efb7f61e4b043c020ff9e4
2005-06-05 05:16:00 -04:00

208 lines
7.6 KiB
C++

/*
* Copyright (c) 2001-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __INIFILE_HH__
#define __INIFILE_HH__
#include <fstream>
#include <list>
#include <string>
#include <vector>
#include "base/hashmap.hh"
/**
* @file
* Declaration of IniFile object.
* @todo Change comments to match documentation style.
*/
///
/// This class represents the contents of a ".ini" file.
///
/// It's basically a two level lookup table: a set of named sections,
/// where each section is a set of key/value pairs. Section names,
/// keys, and values are all uninterpreted strings.
///
class IniFile
{
protected:
///
/// A single key/value pair.
///
class Entry
{
std::string value; ///< The entry value.
mutable bool referenced; ///< Has this entry been used?
public:
/// Constructor.
Entry(const std::string &v)
: value(v), referenced(false)
{
}
/// Has this entry been used?
bool isReferenced() { return referenced; }
/// Fetch the value.
const std::string &getValue() const;
/// Set the value.
void setValue(const std::string &v) { value = v; }
/// Append the given string to the value. A space is inserted
/// between the existing value and the new value. Since this
/// operation is typically used with values that are
/// space-separated lists of tokens, this keeps the tokens
/// separate.
void appendValue(const std::string &v) { value += " "; value += v; }
};
///
/// A section.
///
class Section
{
/// EntryTable type. Map of strings to Entry object pointers.
typedef m5::hash_map<std::string, Entry *> EntryTable;
EntryTable table; ///< Table of entries.
mutable bool referenced; ///< Has this section been used?
public:
/// Constructor.
Section()
: table(), referenced(false)
{
}
/// Has this section been used?
bool isReferenced() { return referenced; }
/// Add an entry to the table. If an entry with the same name
/// already exists, the 'append' parameter is checked If true,
/// the new value will be appended to the existing entry. If
/// false, the new value will replace the existing entry.
void addEntry(const std::string &entryName, const std::string &value,
bool append);
/// Add an entry to the table given a string assigment.
/// Assignment should be of the form "param=value" or
/// "param+=value" (for append). This funciton parses the
/// assignment statment and calls addEntry().
/// @retval True for success, false if parse error.
bool add(const std::string &assignment);
/// Find the entry with the given name.
/// @retval Pointer to the entry object, or NULL if none.
Entry *findEntry(const std::string &entryName) const;
/// Print the unreferenced entries in this section to cerr.
/// Messages can be suppressed using "unref_section_ok" and
/// "unref_entries_ok".
/// @param sectionName Name of this section, for use in output message.
/// @retval True if any entries were printed.
bool printUnreferenced(const std::string &sectionName);
/// Print the contents of this section to cout (for debugging).
void dump(const std::string &sectionName);
};
/// SectionTable type. Map of strings to Section object pointers.
typedef m5::hash_map<std::string, Section *> SectionTable;
protected:
/// Hash of section names to Section object pointers.
SectionTable table;
/// Look up section with the given name, creating a new section if
/// not found.
/// @retval Pointer to section object.
Section *addSection(const std::string &sectionName);
/// Look up section with the given name.
/// @retval Pointer to section object, or NULL if not found.
Section *findSection(const std::string &sectionName) const;
public:
/// Constructor.
IniFile();
/// Destructor.
~IniFile();
/// Load parameter settings from given istream. This is a helper
/// function for load(string) and loadCPP(), which open a file
/// and then pass it here.
/// @retval True if successful, false if errors were encountered.
bool load(std::istream &f);
/// Load the specified file, passing it through the C preprocessor.
/// Parameter settings found in the file will be merged with any
/// already defined in this object.
/// @param file The path of the file to load.
/// @param cppFlags Vector of extra flags to pass to cpp.
/// @retval True if successful, false if errors were encountered.
bool loadCPP(const std::string &file, std::vector<char *> &cppFlags);
/// Load the specified file.
/// Parameter settings found in the file will be merged with any
/// already defined in this object.
/// @param file The path of the file to load.
/// @retval True if successful, false if errors were encountered.
bool load(const std::string &file);
/// Take string of the form "<section>:<parameter>=<value>" or
/// "<section>:<parameter>+=<value>" and add to database.
/// @retval True if successful, false if parse error.
bool add(const std::string &s);
/// Find value corresponding to given section and entry names.
/// Value is returned by reference in 'value' param.
/// @retval True if found, false if not.
bool find(const std::string &section, const std::string &entry,
std::string &value) const;
/// Determine whether the named section exists in the .ini file.
/// Note that the 'Section' class is (intentionally) not public,
/// so all clients can do is get a bool that says whether there
/// are any values in that section or not.
/// @return True if the section exists.
bool sectionExists(const std::string &section) const;
/// Print unreferenced entries in object. Iteratively calls
/// printUnreferend() on all the constituent sections.
bool printUnreferenced();
/// Dump contents to cout. For debugging.
void dump();
};
#endif // __INIFILE_HH__