From dd973d03bf5f3f439dcdacbb22470105e66e698a Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 29 Mar 2017 00:45:30 +0300
Subject: Implement manifests and build_config

---
 bbot/variable | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 bbot/variable

(limited to 'bbot/variable')

diff --git a/bbot/variable b/bbot/variable
new file mode 100644
index 0000000..c210dc0
--- /dev/null
+++ b/bbot/variable
@@ -0,0 +1,49 @@
+// file      : bbot/variable -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BBOT_VARIABLE
+#define BBOT_VARIABLE
+
+#include <string>
+#include <vector>
+#include <cstdint>   // uint64_t
+#include <stdexcept> // invalid_argument
+
+#include <bbot/export>
+
+namespace bbot
+{
+  //@@ invalid_argument
+  //
+  class LIBBBOT_EXPORT invalid_variable: public std::invalid_argument
+  {
+  public:
+    invalid_variable (std::uint64_t p, const std::string& d)
+        : invalid_argument (d), pos (p) {}
+
+    std::uint64_t pos; // Zero-based.
+  };
+
+  // String in the name=value format. Can contain single or double quoted
+  // substrings. No escaping is supported. The name must not contain spaces.
+  // Throw variable_error if the string doesn't conform with the above
+  // constraints.
+  //
+  struct LIBBBOT_EXPORT variable: std::string
+  {
+    variable (std::string);
+
+    // Remove a single level of quotes. Don't validate the format or the
+    // correctness of the quotation. Note that the variable can potentially be
+    // modified through the std::string interface in a way that breaks
+    // format/quoting.
+    //
+    std::string
+    unquoted () const;
+  };
+
+  using variables = std::vector<variable>;
+}
+
+#endif // BBOT_VARIABLE
-- 
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