TensorFlow: Initial commit of TensorFlow library.

TensorFlow is an open source software library for numerical computation
using data flow graphs.

Base CL: 107276108

1 files changed, 55 insertions, 0 deletions

diff --git a/tensorflow/core/framework/op_gen_lib.cc b/tensorflow/core/framework/op_gen_lib.cc
new file mode 100644
index 0000000000..04f4b7cacd
--- /dev/null
+++ b/tensorflow/core/framework/op_gen_lib.cc
@@ -0,0 +1,55 @@
+#include "tensorflow/core/framework/op_gen_lib.h"
+
+#include "tensorflow/core/lib/strings/strcat.h"
+
+namespace tensorflow {
+
+string WordWrap(StringPiece prefix, StringPiece str, int width) {
+  const string indent_next_line = "\n" + Spaces(prefix.size());
+  width -= prefix.size();
+  string result;
+  strings::StrAppend(&result, prefix);
+
+  while (!str.empty()) {
+    if (static_cast<int>(str.size()) <= width) {
+      // Remaining text fits on one line.
+      strings::StrAppend(&result, str);
+      break;
+    }
+    auto space = str.rfind(' ', width);
+    if (space == StringPiece::npos) {
+      // Rather make a too-long line and break at a space.
+      space = str.find(' ');
+      if (space == StringPiece::npos) {
+        strings::StrAppend(&result, str);
+        break;
+      }
+    }
+    // Breaking at character at position <space>.
+    StringPiece to_append = str.substr(0, space);
+    str.remove_prefix(space + 1);
+    // Remove spaces at break.
+    while (to_append.ends_with(" ")) {
+      to_append.remove_suffix(1);
+    }
+    while (str.Consume(" ")) {
+    }
+
+    // Go on to the next line.
+    strings::StrAppend(&result, to_append);
+    if (!str.empty()) strings::StrAppend(&result, indent_next_line);
+  }
+
+  return result;
+}
+
+bool ConsumeEquals(StringPiece* description) {
+  if (description->Consume("=")) {
+    while (description->Consume(" ")) {  // Also remove spaces after "=".
+    }
+    return true;
+  }
+  return false;
+}
+
+}  // namespace tensorflow