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[gromacs.git] / src / gromacs / commandline / filenm.cpp
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38 #include "gmxpre.h"
40 #include "filenm.h"
42 #include <cctype>
43 #include <cstdio>
44 #include <cstring>
46 #include <string_view>
48 #include "gromacs/fileio/filetypes.h"
49 #include "gromacs/utility/arrayref.h"
50 #include "gromacs/utility/basedefinitions.h"
51 #include "gromacs/utility/cstringutil.h"
52 #include "gromacs/utility/gmxassert.h"
53 #include "gromacs/utility/path.h"
54 #include "gromacs/utility/smalloc.h"
55 #include "gromacs/utility/stringutil.h"
57 /* Use bitflag ... */
58 static bool IS_SET(const t_filenm& fileOption)
60 return (fileOption.flag & ffSET) != 0;
63 static bool IS_OPT(const t_filenm& fileOption)
65 return (fileOption.flag & ffOPT) != 0;
68 static const t_filenm* getFileOption(const char* opt, int nfile, const t_filenm fnm[])
70 GMX_RELEASE_ASSERT(nfile == 0 || fnm, "need a valid list of filenames");
72 for (int i = 0; i < nfile; i++)
74 if ((fnm[i].opt != nullptr && strcmp(opt, fnm[i].opt) == 0)
75 || (fnm[i].opt == nullptr && strcmp(opt, ftp2defopt(fnm[i].ftp)) == 0))
77 return &fnm[i];
81 return nullptr;
84 const char* opt2fn(const char* opt, int nfile, const t_filenm fnm[])
86 const t_filenm* fileOption = getFileOption(opt, nfile, fnm);
88 if (fileOption)
90 return fileOption->filenames[0].c_str();
93 GMX_RELEASE_ASSERT(false, "opt2fn should be called with a valid option");
95 return nullptr;
98 gmx::ArrayRef<const std::string> opt2fns(const char* opt, int nfile, const t_filenm fnm[])
100 const t_filenm* fileOption = getFileOption(opt, nfile, fnm);
102 if (fileOption)
104 return fileOption->filenames;
107 GMX_RELEASE_ASSERT(false, "opt2fns should be called with a valid option");
109 return {};
112 gmx::ArrayRef<const std::string> opt2fnsIfOptionSet(const char* opt, int nfile, const t_filenm fnm[])
114 if (opt2bSet(opt, nfile, fnm))
116 return opt2fns(opt, nfile, fnm);
118 else
120 return {};
124 const char* ftp2fn(int ftp, int nfile, const t_filenm fnm[])
126 int i;
128 for (i = 0; (i < nfile); i++)
130 if (ftp == fnm[i].ftp)
132 return fnm[i].filenames[0].c_str();
136 GMX_RELEASE_ASSERT(false, "ftp2fn should be called with a valid option");
138 return nullptr;
141 gmx::ArrayRef<const std::string> ftp2fns(int ftp, int nfile, const t_filenm fnm[])
143 for (int i = 0; (i < nfile); i++)
145 if (ftp == fnm[i].ftp)
147 return fnm[i].filenames;
151 GMX_RELEASE_ASSERT(false, "ftp2fns should be called with a valid option");
153 return {};
156 gmx_bool ftp2bSet(int ftp, int nfile, const t_filenm fnm[])
158 int i;
160 for (i = 0; (i < nfile); i++)
162 if (ftp == fnm[i].ftp)
164 return static_cast<gmx_bool>(IS_SET(fnm[i]));
168 GMX_RELEASE_ASSERT(false, "ftp2bSet should be called with a valid option");
170 return FALSE;
173 gmx_bool opt2bSet(const char* opt, int nfile, const t_filenm fnm[])
175 const t_filenm* fileOption = getFileOption(opt, nfile, fnm);
177 if (fileOption)
179 return static_cast<gmx_bool>(IS_SET(*fileOption));
182 GMX_RELEASE_ASSERT(false, "opt2bSet should be called with a valid option");
184 return FALSE;
187 const char* opt2fn_null(const char* opt, int nfile, const t_filenm fnm[])
189 const t_filenm* fileOption = getFileOption(opt, nfile, fnm);
191 if (fileOption)
193 if (IS_OPT(*fileOption) && !IS_SET(*fileOption))
195 return nullptr;
197 else
199 return fileOption->filenames[0].c_str();
203 GMX_RELEASE_ASSERT(false, "opt2fn_null should be called with a valid option");
205 return nullptr;
208 const char* ftp2fn_null(int ftp, int nfile, const t_filenm fnm[])
210 int i;
212 for (i = 0; (i < nfile); i++)
214 if (ftp == fnm[i].ftp)
216 if (IS_OPT(fnm[i]) && !IS_SET(fnm[i]))
218 return nullptr;
220 else
222 return fnm[i].filenames[0].c_str();
227 GMX_RELEASE_ASSERT(false, "ftp2fn_null should be called with a valid option");
229 return nullptr;
232 gmx_bool is_optional(const t_filenm* fnm)
234 return ((fnm->flag & ffOPT) == ffOPT);
237 gmx_bool is_output(const t_filenm* fnm)
239 return ((fnm->flag & ffWRITE) == ffWRITE);
242 gmx_bool is_set(const t_filenm* fnm)
244 return ((fnm->flag & ffSET) == ffSET);
247 namespace
250 /*! \brief Return the first position within \c filename of the ".partNNNN"
251 * interior sequence produced by mdrun -noappend, or npos if not found. */
252 size_t findSuffixFromNoAppendPosition(const std::string_view filename)
254 size_t partPosition = filename.find(".part");
255 if ((partPosition != decltype(filename)::npos) && (filename.length() - partPosition >= 10)
256 && (std::isdigit(filename[partPosition + 5])) && (std::isdigit(filename[partPosition + 6]))
257 && (std::isdigit(filename[partPosition + 7])) && (std::isdigit(filename[partPosition + 8]))
258 && filename[partPosition + 9] == '.')
260 return partPosition;
262 return decltype(filename)::npos;
265 } // namespace
267 bool hasSuffixFromNoAppend(const std::string_view filename)
269 return (findSuffixFromNoAppendPosition(filename) != decltype(filename)::npos);
272 int add_suffix_to_output_names(t_filenm* fnm, int nfile, const char* suffix)
274 for (int i = 0; i < nfile; i++)
276 if (is_output(&fnm[i]) && fnm[i].ftp != efCPT)
278 /* We never use multiple _outputs_, but we might as well check
279 for it, just in case... */
280 for (std::string& filename : fnm[i].filenames)
282 // mdrun should not generate files like
283 // md.part0002.part0003.log. mdrun should permit users
284 // to name files like md.equil.part0002.log. So,
285 // before we use Path::concatenateBeforeExtension to
286 // add the requested suffix, we need to check for
287 // files matching mdrun's pattern for adding part
288 // numbers. Then we can remove that if needed.
289 for (size_t partPosition;
290 (partPosition = findSuffixFromNoAppendPosition(filename)) != std::string::npos;)
292 // Remove the ".partNNNN" that we have found,
293 // and then run the loop again to make sure
294 // there isn't another one to remove, somehow.
295 std::string temporary = filename.substr(0, partPosition);
296 temporary += filename.substr(partPosition + 9);
297 filename.swap(temporary);
299 filename = gmx::Path::concatenateBeforeExtension(filename, suffix);
303 return 0;