[TREE] Finalize regression tree refactor

old_src/utils/fmap.h

@@ -1,83 +0,0 @@
-/*!
- * Copyright 2014 by Contributors
- * \file fmap.h
- * \brief helper class that holds the feature names and interpretations
- * \author Tianqi Chen
- */
-#ifndef XGBOOST_UTILS_FMAP_H_
-#define XGBOOST_UTILS_FMAP_H_
-
-#include <vector>
-#include <string>
-#include <cstring>
-#include "./utils.h"
-
-namespace xgboost {
-namespace utils {
-/*! \brief helper class that holds the feature names and interpretations */
-class FeatMap {
- public:
-  enum Type {
-    kIndicator = 0,
-    kQuantitive = 1,
-    kInteger = 2,
-    kFloat = 3
-  };
-  // function definitions
-  /*! \brief load feature map from text format */
-  inline void LoadText(const char *fname) {
-    std::FILE *fi = utils::FopenCheck(fname, "r");
-    this->LoadText(fi);
-    std::fclose(fi);
-  }
-  /*! \brief load feature map from text format */
-  inline void LoadText(std::FILE *fi) {
-    int fid;
-    char fname[1256], ftype[1256];
-    while (std::fscanf(fi, "%d\t%[^\t]\t%s\n", &fid, fname, ftype) == 3) {
-      this->PushBack(fid, fname, ftype);
-    }
-  }
-  /*!\brief push back feature map */
-  inline void PushBack(int fid, const char *fname, const char *ftype) {
-    utils::Check(fid == static_cast<int>(names_.size()), "invalid fmap format");
-    names_.push_back(std::string(fname));
-    types_.push_back(GetType(ftype));
-  }
-  inline void Clear(void) {
-    names_.clear(); types_.clear();
-  }
-  /*! \brief number of known features */
-  size_t size(void) const {
-    return names_.size();
-  }
-  /*! \brief return name of specific feature */
-  const char* name(size_t idx) const {
-    utils::Assert(idx < names_.size(), "utils::FMap::name feature index exceed bound");
-    return names_[idx].c_str();
-  }
-  /*! \brief return type of specific feature */
-  const Type& type(size_t idx) const {
-    utils::Assert(idx < names_.size(), "utils::FMap::type feature index exceed bound");
-    return types_[idx];
-  }
-
- private:
-  inline static Type GetType(const char *tname) {
-    using namespace std;
-    if (!strcmp("i", tname)) return kIndicator;
-    if (!strcmp("q", tname)) return kQuantitive;
-    if (!strcmp("int", tname)) return kInteger;
-    if (!strcmp("float", tname)) return kFloat;
-    utils::Error("unknown feature type, use i for indicator and q for quantity");
-    return kIndicator;
-  }
-  /*! \brief name of the feature */
-  std::vector<std::string> names_;
-  /*! \brief type of the feature */
-  std::vector<Type> types_;
-};
-
-}  // namespace utils
-}  // namespace xgboost
-#endif  // XGBOOST_UTILS_FMAP_H_