xenia/third_party/crunch/crnlib/crn_command_line_params.cpp

473 lines
12 KiB
C++

// File: crn_command_line_params.cpp
// See Copyright Notice and license at the end of inc/crnlib.h
#include "crn_core.h"
#include "crn_command_line_params.h"
#include "crn_console.h"
#include "crn_cfile_stream.h"
#ifdef WIN32
#define CRNLIB_CMD_LINE_ALLOW_SLASH_PARAMS 1
#endif
#if CRNLIB_USE_WIN32_API
#include "crn_winhdr.h"
#endif
namespace crnlib
{
void get_command_line_as_single_string(dynamic_string& cmd_line, int argc, char *argv[])
{
argc, argv;
#if CRNLIB_USE_WIN32_API
cmd_line.set(GetCommandLineA());
#else
cmd_line.clear();
for (int i = 0; i < argc; i++)
{
dynamic_string tmp(argv[i]);
if ((tmp.front() != '"') && (tmp.front() != '-') && (tmp.front() != '@'))
tmp = "\"" + tmp + "\"";
if (cmd_line.get_len())
cmd_line += " ";
cmd_line += tmp;
}
#endif
}
command_line_params::command_line_params()
{
}
void command_line_params::clear()
{
m_params.clear();
m_param_map.clear();
}
bool command_line_params::split_params(const char* p, dynamic_string_array& params)
{
bool within_param = false;
bool within_quote = false;
uint ofs = 0;
dynamic_string str;
while (p[ofs])
{
const char c = p[ofs];
if (within_param)
{
if (within_quote)
{
if (c == '"')
within_quote = false;
str.append_char(c);
}
else if ((c == ' ') || (c == '\t'))
{
if (!str.is_empty())
{
params.push_back(str);
str.clear();
}
within_param = false;
}
else
{
if (c == '"')
within_quote = true;
str.append_char(c);
}
}
else if ((c != ' ') && (c != '\t'))
{
within_param = true;
if (c == '"')
within_quote = true;
str.append_char(c);
}
ofs++;
}
if (within_quote)
{
console::error("Unmatched quote in command line \"%s\"", p);
return false;
}
if (!str.is_empty())
params.push_back(str);
return true;
}
bool command_line_params::load_string_file(const char* pFilename, dynamic_string_array& strings)
{
cfile_stream in_stream;
if (!in_stream.open(pFilename, cDataStreamReadable | cDataStreamSeekable))
{
console::error("Unable to open file \"%s\" for reading!", pFilename);
return false;
}
dynamic_string ansi_str;
for ( ; ; )
{
if (!in_stream.read_line(ansi_str))
break;
ansi_str.trim();
if (ansi_str.is_empty())
continue;
strings.push_back(dynamic_string(ansi_str.get_ptr()));
}
return true;
}
bool command_line_params::parse(const dynamic_string_array& params, uint n, const param_desc* pParam_desc)
{
CRNLIB_ASSERT(n && pParam_desc);
m_params = params;
uint arg_index = 0;
while (arg_index < params.size())
{
const uint cur_arg_index = arg_index;
const dynamic_string& src_param = params[arg_index++];
if (src_param.is_empty())
continue;
#if CRNLIB_CMD_LINE_ALLOW_SLASH_PARAMS
if ((src_param[0] == '/') || (src_param[0] == '-'))
#else
if (src_param[0] == '-')
#endif
{
if (src_param.get_len() < 2)
{
console::error("Invalid command line parameter: \"%s\"", src_param.get_ptr());
return false;
}
dynamic_string key_str(src_param);
key_str.right(1);
int modifier = 0;
char c = key_str[key_str.get_len() - 1];
if (c == '+')
modifier = 1;
else if (c == '-')
modifier = -1;
if (modifier)
key_str.left(key_str.get_len() - 1);
uint param_index;
for (param_index = 0; param_index < n; param_index++)
if (key_str == pParam_desc[param_index].m_pName)
break;
if (param_index == n)
{
console::error("Unrecognized command line parameter: \"%s\"", src_param.get_ptr());
return false;
}
const param_desc& desc = pParam_desc[param_index];
const uint cMaxValues = 16;
dynamic_string val_str[cMaxValues];
uint num_val_strs = 0;
if (desc.m_num_values)
{
CRNLIB_ASSERT(desc.m_num_values <= cMaxValues);
if ((arg_index + desc.m_num_values) > params.size())
{
console::error("Expected %u value(s) after command line parameter: \"%s\"", desc.m_num_values, src_param.get_ptr());
return false;
}
for (uint v = 0; v < desc.m_num_values; v++)
val_str[num_val_strs++] = params[arg_index++];
}
dynamic_string_array strings;
if ((desc.m_support_listing_file) && (val_str[0].get_len() >= 2) && (val_str[0][0] == '@'))
{
dynamic_string filename(val_str[0]);
filename.right(1);
filename.unquote();
if (!load_string_file(filename.get_ptr(), strings))
{
console::error("Failed loading listing file \"%s\"!", filename.get_ptr());
return false;
}
}
else
{
for (uint v = 0; v < num_val_strs; v++)
{
val_str[v].unquote();
strings.push_back(val_str[v]);
}
}
param_value pv;
pv.m_values.swap(strings);
pv.m_index = cur_arg_index;
pv.m_modifier = (int8)modifier;
m_param_map.insert(std::make_pair(key_str, pv));
}
else
{
param_value pv;
pv.m_values.push_back(src_param);
pv.m_values.back().unquote();
pv.m_index = cur_arg_index;
m_param_map.insert(std::make_pair(g_empty_dynamic_string, pv));
}
}
return true;
}
bool command_line_params::parse(const char* pCmd_line, uint n, const param_desc* pParam_desc, bool skip_first_param)
{
CRNLIB_ASSERT(n && pParam_desc);
dynamic_string_array p;
if (!split_params(pCmd_line, p))
return 0;
if (p.empty())
return 0;
if (skip_first_param)
p.erase(0U);
return parse(p, n, pParam_desc);
}
bool command_line_params::is_param(uint index) const
{
CRNLIB_ASSERT(index < m_params.size());
if (index >= m_params.size())
return false;
const dynamic_string& w = m_params[index];
if (w.is_empty())
return false;
#if CRNLIB_CMD_LINE_ALLOW_SLASH_PARAMS
return (w.get_len() >= 2) && ((w[0] == '-') || (w[0] == '/'));
#else
return (w.get_len() >= 2) && (w[0] == '-');
#endif
}
uint command_line_params::find(uint num_keys, const char** ppKeys, crnlib::vector<param_map_const_iterator>* pIterators, crnlib::vector<uint>* pUnmatched_indices) const
{
CRNLIB_ASSERT(ppKeys);
if (pUnmatched_indices)
{
pUnmatched_indices->resize(m_params.size());
for (uint i = 0; i < m_params.size(); i++)
(*pUnmatched_indices)[i] = i;
}
uint n = 0;
for (uint i = 0; i < num_keys; i++)
{
const char* pKey = ppKeys[i];
param_map_const_iterator begin, end;
find(pKey, begin, end);
while (begin != end)
{
if (pIterators)
pIterators->push_back(begin);
if (pUnmatched_indices)
{
int k = pUnmatched_indices->find(begin->second.m_index);
if (k >= 0)
pUnmatched_indices->erase_unordered(k);
}
n++;
begin++;
}
}
return n;
}
void command_line_params::find(const char* pKey, param_map_const_iterator& begin, param_map_const_iterator& end) const
{
dynamic_string key(pKey);
begin = m_param_map.lower_bound(key);
end = m_param_map.upper_bound(key);
}
uint command_line_params::get_count(const char* pKey) const
{
param_map_const_iterator begin, end;
find(pKey, begin, end);
uint n = 0;
while (begin != end)
{
n++;
begin++;
}
return n;
}
command_line_params::param_map_const_iterator command_line_params::get_param(const char* pKey, uint index) const
{
param_map_const_iterator begin, end;
find(pKey, begin, end);
if (begin == end)
return m_param_map.end();
uint n = 0;
while ((begin != end) && (n != index))
{
n++;
begin++;
}
if (begin == end)
return m_param_map.end();
return begin;
}
bool command_line_params::has_value(const char* pKey, uint index) const
{
return get_num_values(pKey, index) != 0;
}
uint command_line_params::get_num_values(const char* pKey, uint index) const
{
param_map_const_iterator it = get_param(pKey, index);
if (it == end())
return 0;
return it->second.m_values.size();
}
bool command_line_params::get_value_as_bool(const char* pKey, uint index, bool def) const
{
param_map_const_iterator it = get_param(pKey, index);
if (it == end())
return def;
if (it->second.m_modifier)
return it->second.m_modifier > 0;
else
return true;
}
int command_line_params::get_value_as_int(const char* pKey, uint index, int def, int l, int h, uint value_index) const
{
param_map_const_iterator it = get_param(pKey, index);
if ((it == end()) || (value_index >= it->second.m_values.size()))
return def;
int val;
const char* p = it->second.m_values[value_index].get_ptr();
if (!string_to_int(p, val))
{
crnlib::console::warning("Invalid value specified for parameter \"%s\", using default value of %i", pKey, def);
return def;
}
if (val < l)
{
crnlib::console::warning("Value %i for parameter \"%s\" is out of range, clamping to %i", val, pKey, l);
val = l;
}
else if (val > h)
{
crnlib::console::warning("Value %i for parameter \"%s\" is out of range, clamping to %i", val, pKey, h);
val = h;
}
return val;
}
float command_line_params::get_value_as_float(const char* pKey, uint index, float def, float l, float h, uint value_index) const
{
param_map_const_iterator it = get_param(pKey, index);
if ((it == end()) || (value_index >= it->second.m_values.size()))
return def;
float val;
const char* p = it->second.m_values[value_index].get_ptr();
if (!string_to_float(p, val))
{
crnlib::console::warning("Invalid value specified for float parameter \"%s\", using default value of %f", pKey, def);
return def;
}
if (val < l)
{
crnlib::console::warning("Value %f for parameter \"%s\" is out of range, clamping to %f", val, pKey, l);
val = l;
}
else if (val > h)
{
crnlib::console::warning("Value %f for parameter \"%s\" is out of range, clamping to %f", val, pKey, h);
val = h;
}
return val;
}
bool command_line_params::get_value_as_string(const char* pKey, uint index, dynamic_string& value, uint value_index) const
{
param_map_const_iterator it = get_param(pKey, index);
if ((it == end()) || (value_index >= it->second.m_values.size()))
{
value.empty();
return false;
}
value = it->second.m_values[value_index];
return true;
}
const dynamic_string& command_line_params::get_value_as_string_or_empty(const char* pKey, uint index, uint value_index) const
{
param_map_const_iterator it = get_param(pKey, index);
if ((it == end()) || (value_index >= it->second.m_values.size()))
return g_empty_dynamic_string;
return it->second.m_values[value_index];
}
} // namespace crnlib