From 64576a1c7e52221e815a634f620630030a9a6de1 Mon Sep 17 00:00:00 2001
From: Guillaume Dott <guillaume+github@dott.fr>
Date: Wed, 23 Feb 2022 17:12:31 +0100
Subject: [PATCH] Add PDF::Reader::Page#find_text method

---
 .gitignore                          |  1 +
 README.md                           |  2 +-
 lib/pdf/reader/find_text.rb         | 16 +++++++++++-----
 lib/pdf/reader/find_text/version.rb |  4 ++--
 pdf-reader-find_text.gemspec        |  4 ++--
 test/pdf/reader/find_text_test.rb   |  4 ++--
 6 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/.gitignore b/.gitignore
index 9106b2a..dc96cb9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /pkg/
 /spec/reports/
 /tmp/
+/Gemfile.lock
diff --git a/README.md b/README.md
index 673179d..7a5b65e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Pdf::Reader::FindText
+# PDF::Reader::FindText
 
 Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/pdf/reader/find_text`. To experiment with that code, run `bin/console` for an interactive prompt.
 
diff --git a/lib/pdf/reader/find_text.rb b/lib/pdf/reader/find_text.rb
index 3e52fba..00ebc0e 100644
--- a/lib/pdf/reader/find_text.rb
+++ b/lib/pdf/reader/find_text.rb
@@ -1,12 +1,18 @@
 # frozen_string_literal: true
 
+require "pdf-reader"
+
 require_relative "find_text/version"
 
-module Pdf
-  module Reader
-    module FindText
-      class Error < StandardError; end
-      # Your code goes here...
+module PDF::Reader::FindText
+  def find_text(text)
+    runs(merge: false).each_cons(text.size).select do |r|
+      r.map(&:text).join == text
+    end.map do |r|
+      PDF::Reader::TextRun.new r.first.x, r.first.y,
+        r.sum(&:width), r.map(&:font_size).max, r.map(&:text).join
     end
   end
 end
+
+PDF::Reader::Page.include PDF::Reader::FindText
diff --git a/lib/pdf/reader/find_text/version.rb b/lib/pdf/reader/find_text/version.rb
index e34990e..80f21bf 100644
--- a/lib/pdf/reader/find_text/version.rb
+++ b/lib/pdf/reader/find_text/version.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-module Pdf
-  module Reader
+module PDF
+  class Reader
     module FindText
       VERSION = "0.1.0"
     end
diff --git a/pdf-reader-find_text.gemspec b/pdf-reader-find_text.gemspec
index c327931..6f48e92 100644
--- a/pdf-reader-find_text.gemspec
+++ b/pdf-reader-find_text.gemspec
@@ -4,7 +4,7 @@ require_relative "lib/pdf/reader/find_text/version"
 
 Gem::Specification.new do |spec|
   spec.name          = "pdf-reader-find_text"
-  spec.version       = Pdf::Reader::FindText::VERSION
+  spec.version       = PDF::Reader::FindText::VERSION
   spec.authors       = ["Guillaume Dott"]
   spec.email         = ["guillaume+github@dott.fr"]
 
@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   # Uncomment to register a new dependency of your gem
-  # spec.add_dependency "example-gem", "~> 1.0"
+  spec.add_dependency "pdf-reader", "~> 2.9.2"
 
   # For more information and examples about making a new gem, checkout our
   # guide at: https://bundler.io/guides/creating_gem.html
diff --git a/test/pdf/reader/find_text_test.rb b/test/pdf/reader/find_text_test.rb
index 14f143a..2d1ca5b 100644
--- a/test/pdf/reader/find_text_test.rb
+++ b/test/pdf/reader/find_text_test.rb
@@ -2,9 +2,9 @@
 
 require "test_helper"
 
-class Pdf::Reader::FindTextTest < Minitest::Test
+class PDF::Reader::FindTextTest < Minitest::Test
   def test_that_it_has_a_version_number
-    refute_nil ::Pdf::Reader::FindText::VERSION
+    refute_nil ::PDF::Reader::FindText::VERSION
   end
 
   def test_it_does_something_useful