summaryrefslogtreecommitdiff
path: root/tools/intergen/utils/include/utils/string_utils.h
diff options
context:
space:
mode:
Diffstat (limited to 'tools/intergen/utils/include/utils/string_utils.h')
-rw-r--r--tools/intergen/utils/include/utils/string_utils.h161
1 files changed, 161 insertions, 0 deletions
diff --git a/tools/intergen/utils/include/utils/string_utils.h b/tools/intergen/utils/include/utils/string_utils.h
new file mode 100644
index 0000000000..78c1b87aa5
--- /dev/null
+++ b/tools/intergen/utils/include/utils/string_utils.h
@@ -0,0 +1,161 @@
+/**
+ * Copyright (c) 2014, Ford Motor Company
+ * 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 Ford Motor Company 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 HOLDER 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 STRING_UTILS_H_
+#define STRING_UTILS_H_
+
+#include <stdint.h>
+#include <algorithm>
+#include <cassert>
+#include <cctype>
+#include <functional>
+#include <ostream>
+#include <sstream>
+#include <string>
+
+/*
+ * Commonly used string processing functions
+ */
+
+/*
+ * Stream indentation helper class. Hooks the stream that is
+ * passed to it's constructor processing all the input to that stream
+ * and issuing indentation spaces when newline symbol is put to the stream.
+ * Unhooks from stream on destruction.
+ */
+class Indent: private std::streambuf {
+public:
+ /*
+ * Constructs indentation 'sentry' object hooking on |dest| stream.
+ * |ident_size| is the indentation width (spaces).
+ */
+ explicit Indent(std::ostream& dest, size_t ident_size = 2)
+ : dest_buf_(dest.rdbuf()),
+ new_line_started_(true),
+ ident_(ident_size, ' '),
+ owner_(&dest) {
+ owner_->rdbuf(this);
+ }
+ ~Indent() {
+ owner_->rdbuf( dest_buf_ );
+ }
+private:
+ virtual int overflow( int ch ) {
+ if ( new_line_started_ && ch != '\n' ) {
+ dest_buf_->sputn(ident_.data(), ident_.size());
+ }
+ new_line_started_ = ch == '\n';
+ return dest_buf_->sputc(ch);
+ }
+private:
+ std::streambuf* dest_buf_;
+ bool new_line_started_;
+ std::string ident_;
+ std::ostream* owner_;
+};
+
+/*
+ * String to numerical (int, double) conversion function.
+ * Checks wether |str_val| contains a number and converts
+ * it to |out_val|.
+ * Returns false on failure.
+ */
+template<typename T>
+bool StringToNumber(const std::string& str_val, T* out_val) {
+ assert(out_val);
+ std::stringstream stream(str_val);
+ stream>>(*out_val);
+ return bool(stream);
+}
+
+/*
+ * Number to string conversion function.
+ */
+template<typename T>
+inline std::string NumberToString(T number) {
+ std::stringstream stream;
+ std::string result;
+ stream<<number;
+ stream>>result;
+ return result;
+}
+
+/*
+ * In-place string trimming function, trims spaces at string beginning
+ */
+inline std::string& ltrim(std::string &s) {
+ s.erase(
+ s.begin(),
+ std::find_if(s.begin(), s.end(),
+ std::not1(std::ptr_fun<int, int>(std::isspace))));
+ return s;
+}
+
+/*
+ * In-place string trimming function, trims spaces at string end
+ */
+inline std::string& rtrim(std::string &s) {
+ s.erase(
+ std::find_if(s.rbegin(), s.rend(),
+ std::not1(std::ptr_fun<int, int>(std::isspace))).base(),
+ s.end());
+ return s;
+}
+
+/*
+ * In-place string trimming function, trims spaces around text
+ */
+inline std::string& trim(std::string &s) {
+ return ltrim(rtrim(s));
+}
+
+/*
+ * Converts ASCII string to lowercase
+ */
+inline std::string to_lower(std::string str) {
+ for (std::string::iterator i = str.begin(); i != str.end(); ++i) {
+ *i = std::tolower(*i);
+ }
+ return str;
+}
+
+/*
+ * Converts ASCII string to uppercase
+ */
+inline std::string to_upper(std::string str) {
+ for (std::string::iterator i = str.begin(); i != str.end(); ++i) {
+ *i = std::toupper(*i);
+ }
+ return str;
+}
+
+#endif /* STRING_UTILS_H_ */