Generate gh pages

.gitignore

@@ -2,3 +2,4 @@ bazel-*
 cmake-build-*/
 _*/
 .idea/
+doc/html/

.travis.yml

@@ -25,6 +25,7 @@ addons:
     - bazel
     - cmake3
     - curl
+    - doxygen
     - g++-4.8
     - gcc-4.8
     - git
@@ -72,6 +73,20 @@ script:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then pip install --user cpp-coveralls && coveralls --root .. --build-root . -E ".*/3rdparty/.*" -E ".*/_.*" -E ".*/tests/.*" -E ".*/benchmarks/.*"; fi
   - popd
 
+  - pushd .
+  - cd doc
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; doxygen && touch html/.nojekyll; fi
+  - popd
+
+deploy:
+  provider: pages
+  local-dir: doc/html
+  skip-cleanup: true
+  github-token: $GITHUB_TOKEN
+  on:
+    branch: master
+    condition: "$TRAVIS_OS_NAME" == "linux"
+
 # addons:
 #   coverity_scan:
 #     project:

doc/Doxyfile

@@ -0,0 +1,12 @@
+PROJECT_NAME           = "Prometheus Client Library for Modern C++"
+
+EXCLUDE_PATTERNS       = */detail/*
+EXCLUDE_SYMBOLS        = prometheus::detail::*
+FILE_PATTERNS          = *.h *.cc
+GENERATE_LATEX         = NO
+GRAPHICAL_HIERARCHY    = NO
+INPUT                  = ../core/include ../core/src ../pull/include ../pull/src ../push/include ../push/src
+RECURSIVE              = YES
+SHOW_FILES             = NO
+SHOW_INCLUDE_FILES     = NO
+SHOW_USED_FILES        = NO