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Diffstat (limited to 'common/idstringlist.cc')
-rw-r--r-- | common/idstringlist.cc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/common/idstringlist.cc b/common/idstringlist.cc new file mode 100644 index 00000000..9900f92a --- /dev/null +++ b/common/idstringlist.cc @@ -0,0 +1,61 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com> + * Copyright (C) 2018 Serge Bazanski <q3k@symbioticeda.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "idstringlist.h" +#include "context.h" + +NEXTPNR_NAMESPACE_BEGIN + +IdStringList IdStringList::parse(Context *ctx, const std::string &str) +{ + char delim = ctx->getNameDelimiter(); + size_t id_count = std::count(str.begin(), str.end(), delim) + 1; + IdStringList list(id_count); + size_t start = 0; + for (size_t i = 0; i < id_count; i++) { + size_t end = str.find(delim, start); + NPNR_ASSERT((i == (id_count - 1)) || (end != std::string::npos)); + list.ids[i] = ctx->id(str.substr(start, end - start)); + start = end + 1; + } + return list; +} + +void IdStringList::build_str(const Context *ctx, std::string &str) const +{ + char delim = ctx->getNameDelimiter(); + bool first = true; + str.clear(); + for (auto entry : ids) { + if (!first) + str += delim; + str += entry.str(ctx); + first = false; + } +} + +std::string IdStringList::str(const Context *ctx) const +{ + std::string s; + build_str(ctx, s); + return s; +} + +NEXTPNR_NAMESPACE_END |