Make FAP a header only library

examples/cpp/fap_model_printer.h

@@ -20,9 +20,11 @@
 #define OR_TOOLS_EXAMPLES_FAP_MODEL_PRINTER_H_
 
 #include <map>
+#include <string>
 #include <vector>
 
 #include "examples/cpp/fap_parser.h"
+#include "ortools/base/stringprintf.h"
 
 namespace operations_research {
 
@@ -47,5 +49,70 @@ class FapModelPrinter {
   DISALLOW_COPY_AND_ASSIGN(FapModelPrinter);
 };
 
+FapModelPrinter::FapModelPrinter(const std::map<int, FapVariable>& variables,
+                                 const std::vector<FapConstraint>& constraints,
+                                 const std::string& objective,
+                                 const std::vector<int>& values)
+    : variables_(variables),
+      constraints_(constraints),
+      objective_(objective),
+      values_(values) {}
+
+FapModelPrinter::~FapModelPrinter() {}
+
+void FapModelPrinter::PrintFapVariables() {
+  LOG(INFO) << "Variable File:";
+  for (const auto& it : variables_) {
+    std::string domain = "{";
+    for (const int value : it.second.domain) {
+      StringAppendF(&domain, "%d ", value);
+    }
+    domain.append("}");
+
+    std::string hard = " ";
+    if (it.second.hard) {
+      hard = " hard";
+    }
+
+    LOG(INFO) << "Variable " << StringPrintf("%3d: ", it.first)
+              << StringPrintf("(degree: %2d) ", it.second.degree)
+              << StringPrintf("%3d", it.second.domain_index)
+              << StringPrintf("%3d", it.second.initial_position)
+              << StringPrintf("%3d", it.second.mobility_index)
+              << StringPrintf("%8d", it.second.mobility_cost)
+              << StringPrintf(" (%2d) ", it.second.domain_size) << domain
+              << hard;
+  }
+}
+
+void FapModelPrinter::PrintFapConstraints() {
+  LOG(INFO) << "Constraint File:";
+  for (const FapConstraint& ct : constraints_) {
+    std::string hard = " ";
+    if (ct.hard) {
+      hard = " hard";
+    }
+
+    LOG(INFO) << StringPrintf("%3d ", ct.variable1)
+              << StringPrintf("%3d ", ct.variable2) << ct.type << " "
+              << ct.operation << " " << StringPrintf("%3d", ct.value)
+              << StringPrintf("%3d", ct.weight_index)
+              << StringPrintf("%8d", ct.weight_cost) << hard;
+  }
+}
+
+void FapModelPrinter::PrintFapObjective() {
+  LOG(INFO) << "Objective: " << objective_;
+}
+
+void FapModelPrinter::PrintFapValues() {
+  LOG(INFO) << StringPrintf("Values(%d): ", static_cast<int>(values_.size()));
+  std::string domain = " ";
+  for (const int value : values_) {
+    StringAppendF(&domain, "%d ", value);
+  }
+  LOG(INFO) << domain;
+}
+
 }  // namespace operations_research
 #endif  // OR_TOOLS_EXAMPLES_FAP_MODEL_PRINTER_H_